The Greatest Engineering Wonders in Switzerland
21 places · updated 13 October 2026
In short: By our ranking, the greatest engineering wonders in Switzerland are Chapel Bridge, Landwasser Viaduct and Albula Railway. The list covers 21 engineering wonders. Last updated 13 October 2026.
Switzerland had to engineer its way through the Alps. Steep valleys, glaciers and high passes forced railway builders of the late 19th and early 20th centuries to invent rack systems, spiral tunnels and curving viaducts, and the tourism boom that followed sent cogwheel lines up to summits that had been the preserve of climbers. Power companies then filled the narrow gorges with concrete arch dams.
The Landwasser Viaduct is the emblem of it: a curved limestone viaduct whose last pier leads trains straight into a tunnel in the cliff, on the Albula line of the Rhaetian Railway. That line and the Bernina route over the mountains to Italy form a UNESCO World Heritage site, and on the Bernina side the Brusio spiral viaduct turns a full circle in stone to lose height. The Jungfrau Railway climbs inside the Eiger and the Mönch to Jungfraujoch, the highest railway station in Europe, while the Pilatus railway above Lucerne is the steepest rack railway in the world.
The Gornergrat line rises from Zermatt to face the Matterhorn, and the Wengernalp Railway links Lauterbrunnen with Grindelwald below the north face of the Eiger. The Furka steam line and the Furka and Gotthard passes show older routes across the range. Older still is the Chapel Bridge in Lucerne, a covered wooden footbridge of the 14th century with painted panels under its roof, and modern in a different way is the Verzasca Dam, a tall concrete arch in Ticino made famous by a bungee jump in the film GoldenEye.
In this list
| # | Place | Type | UNESCO |
|---|---|---|---|
| 1 | Chapel Bridge | Covered bridge | |
| 2 | Landwasser Viaduct | Viaduct | |
| 3 | Albula Railway | Heritage railway | |
| 4 | Gotthard Pass | Mountain pass | |
| 5 | Gornergrat Railway | Rack railway | |
| 6 | Verzasca Dam (Contra Dam) | Dam | |
| 7 | Jungfrau Railway | Rack railway | |
| 8 | Pilatus railway | Rack railway | |
| 9 | Furka Cogwheel Steam Railway | Heritage railway | |
| 10 | Wengernalp Railway | Rack railway | |
| 11 | Brusio spiral viaduct | Viaduct | |
| 12 | Furka Pass | Mountain pass | |
| 13 | Sphinx Observatory | Observatory | |
| 14 | Vitznau–Rigi railway | Rack railway | |
| 15 | Gelmerbahn | Funicular | |
| 16 | Bernina railway line | Heritage railway | |
| 17 | Stoosbahn (Schwyz–Stoos funicular) | Funicular | |
| 18 | Niesenbahn | Funicular | |
| 19 | Schilthorn Cableway | Aerial tramway | |
| 20 | Brienz Rothorn Railway | Rack railway | |
| 21 | Titlis Rotair | Aerial tramway |
01 Chapel Bridge
Kappelbrücke
Switzerland · 2.1 km from Lucerne47.052° N 8.308° E
Image by suju-foto from Pixabay Almost all of it was gone in a single night. On 18 August 1993, a boat moored underneath the bridge caught fire — investigators never pinned down the exact cause, though a carelessly discarded cigarette is the leading theory — and the flames climbed straight into the dry timber roof.
Did you know? The painted gable panels were funded by city councillors, each of whom was allowed to add his own coat of arms to the panel he sponsored.
02 Landwasser Viaduct
Landwasserviadukt
Switzerland · 23.1 km from Chur46.681° N 9.676° E
SchmalspurDVZO · CC BY-SA 4.0 The viaduct was designed by Alexander Acatos and built by the firm Müller & Zeerleder in 1901 and 1902. The builders did without conventional scaffolding for the tall piers; the limestone pillars were raised around steel-reinforced cores with the help of cranes, while the flat arches between them each span 20 m.
Did you know? The whole structure cost 280,000 Swiss francs, and the first trains rolled across it in October 1902, about 19 months after work began.
03 Albula Railway
Albulabahn
Switzerland46.409° N 10.020° E
Daniel Schwen · CC BY-SA 2.5 Its signature is the Landwasser Viaduct near Filisur. Built between 1901 and 1902 of dark limestone without conventional scaffolding, it curves on five tall piers 65 m above the river and runs straight into a tunnel bored through a sheer cliff, so that a train appears to pour out of the rock face onto the arches. Designed by Alexander Acatos, it is only 136 m long, but few railway bridges have become such an image of an entire country.
Did you know? The two headings of the Albula Tunnel met deep inside the mountain in the early hours of 29 May 1902.
04 Gotthard Pass
Gotthardpass
Switzerland · 36 km from Altdorf46.559° N 8.562° E
Adrian Michael · CC BY-SA 3.0 Though known locally since antiquity, the route only came into general use in the early 13th century, when a first wooden bridge, built around 1220, finally carried travellers across the torrent of the Reuss in the narrow Schöllenen Gorge below Andermatt. A chapel dedicated to Saint Gotthard of Hildesheim, patron of mountain travellers, was consecrated by the Archbishop of Milan in 1230, and the pass soon took the saint's name.
Did you know? The Romans knew the pass as Adula Mons but rarely used it, because the Schöllenen Gorge below blocked the way north.
05 Gornergrat Railway
Gornergratbahn
Switzerland · 38.8 km from Sion46.024° N 7.750° E
Kabelleger / David Gubler ( http://www.bahnbilder.ch ) · CC BY-SA 3.0 The line is a little over 9 km long, built to metre gauge with the Abt rack system and gradients of up to 20 percent. It crosses the Findelbach on a viaduct, threads short tunnels and a long avalanche gallery above Riffelboden, and stops at Findelbach, Riffelalp, Riffelberg and Rotenboden on the way up. Rotenboden is the stop for the small Riffelsee lake just below the line.
Did you know? Running two-car trains, the railway can carry about 2,500 passengers an hour from Zermatt up to the ridge.
06 Verzasca Dam (Contra Dam)
Talsperre Contra
Switzerland · 13.3 km from Bellinzona46.197° N 8.848° E
Audrix · CC BY-SA 3.0 What makes the dam worth the detour is the way engineering and landscape meet here. The arch is thin and pale, pressed between steep wooded rock walls, and the drop on the downstream side is so sheer that looking over the parapet is a genuine test of nerves.
Did you know? Because the site lies lower than most Swiss dams, crews could pour concrete year-round, at a peak rate of 3,100 cubic metres in a single day.
07 Jungfrau Railway
Jungfraubahn
Switzerland46.585° N 7.961° E
Salamanamanjaro ( talk ) · CC BY-SA 3.0 The idea belonged to the industrialist Adolf Guyer-Zeller, who received a concession in 1894 for a line that was meant to reach the summit of the Jungfrau itself, with a lift for the final ascent. Work began in 1896 and dragged on for sixteen years, through an explosion that killed six workers, a four-month strike and the founder's death in 1899.
Did you know? A bonus promised to the shift that broke through led workers to use more dynamite than allowed; the final blast came at 5:35 a.m.
08 Pilatus railway
Pilatusbahn
Switzerland · 6.8 km from Sarnen46.956° N 8.277° E
SchmalspurDVZO · CC BY-SA 4.0 Such a gradient was impossible for conventional rack systems of the 1880s, because a cogwheel engaging the rack from above could climb out of the teeth and lose its grip. The engineer Eduard Locher solved it by laying a horizontal double rack between the rails, with teeth on both sides, gripped by two cogwheels turning on vertical shafts beneath the car.
Did you know? The route runs through eight short tunnels, four in the Wolfort section and four below the Eselwand cliff.
09 Furka Cogwheel Steam Railway
Dampfbahn Furka-Bergstrecke
Switzerland · 38.6 km from Sarnen46.561° N 8.362° E
Arthur Meyer · CC BY-SA 3.0 Construction began in 1911, stalled during the First World War, and the line finally opened in 1925 as part of the Furka Oberalp railway. It was always a struggle. Avalanches made the route impossible in winter, so every autumn the overhead wires were taken down, the tunnel portals shut with gates, and the Steffenbach bridge was folded away out of reach of the avalanches, only to be reassembled after a winter lasting nearly seven months.
Did you know? The volunteer association behind the line has about 23 sections in Switzerland, Germany and the Netherlands and more than 7,500 members.
10 Wengernalp Railway
Wengernalpbahn
Switzerland46.576° N 7.944° E
Kabelleger · CC BY-SA 4.0 The ride is a sequence of set pieces. From Lauterbrunnen, a valley walled by cliffs and waterfalls, the train hauls itself up the western slope to Wengen, a resort village on a sunny terrace with no cars; for its residents the railway is the only way in. Above Wengen the line comes out on the open alpine pastures of Wengernalp, where the Jungfrau massif stands across the gorge startlingly close.
Did you know? Early trains were one engine and one coach; at Wengen two coaches were coupled behind a single engine, and the spare engines ran back down for the next train.
11 Brusio spiral viaduct
Kreisviadukt von Brusio
Switzerland46.254° N 10.128° E
Kabelleger / David Gubler ( http://www.bahnbilder.ch ) · CC BY 3.0 It exists because the engineers refused to use a rack. The Bernina Railway was designed as an adhesion line, fit for freight as well as passengers, with a maximum gradient of 7 percent, and between Brusio and Campocologno the valley drops faster than that. Several solutions were drawn up in 1906, among them an S-shaped embankment and an eight-arch bridge; a spiral tunnel was also considered but the geology argued against it.
Did you know? The Bernina line was paid for by the investors behind the Brusio hydroelectric company, partly to reach power plants south of the pass, without cantonal subsidy.
12 Furka Pass
Furkapass
Switzerland · 38.6 km from Sarnen46.573° N 8.417° E
Image by hpgruesen from Pixabay The road was built in the 1860s, largely for military reasons, and its switchbacks are the reason drivers and cyclists seek it out. Near the top, set right in one of the hairpins, stands the Hotel Belvédère, built in 1882, its sharp profile on the very edge of the bend one of the most photographed sights in the Alps.
Did you know? Official maps put the summit at 2,429 metres, but the sign on the pass still shows 2,436 metres, a figure taken from the old Siegfried map.
13 Sphinx Observatory
Sphinx-Observatorium
Switzerland46.548° N 7.985° E
Eric Hill from Boston, MA, USA · CC BY-SA 2.0 The building is first of all a laboratory. It holds two large labs, a weather station, a workshop, terraces for experiments in the open air, and domes for astronomical and meteorological work, all run by the foundation that manages the High Altitude Research Stations at Jungfraujoch and Gornergrat.
Did you know? Its weather station is among the highest permanently staffed in Europe, and observers still add visual cloud reports to automatic readings.
14 Vitznau–Rigi railway
Bahnstrecke Vitznau–Rigi Kulm
Switzerland · 10.1 km from Stans47.010° N 8.483° E
Image by Sarah_Loetscher from Pixabay The Rigi was the natural place to start. By the 19th century it was already famous as the "Queen of the Mountains", a massif rising between the lakes of Lucerne, Zug and Lauerz, with a summit hotel at Rigi Kulm since 1816. Goethe had climbed it in 1775, Turner painted it in the blue light of dawn, and Mark Twain described the ritual of the Rigi sunrise in A Tramp Abroad.
Did you know? For over a century the two Rigi railways ran side by side to the summit as competitors, linked only by a transfer table outside their shared depot.
15 Gelmerbahn
Switzerland · 32.1 km from Sarnen46.614° N 8.309° E
Gzzz · CC BY-SA 4.0 The line was never meant for sightseers. It was built in 1926 by the hydroelectric company Kraftwerke Oberhasli to carry materials and workers up to the site of the Gelmer dam, part of the great scheme that harnesses the waters of the upper Aare, and for three quarters of a century it served the power station alone.
Did you know? The track is 1,028 metres long, and its average gradient of about 49 per cent is steeper than most funiculars manage at their worst.
16 Bernina railway line
Berninabahn
Switzerland46.409° N 10.020° E
Image by hpgruesen from Pixabay What makes the ride exceptional is how much of the high Alps it shows in a short distance. From the Engadine the line passes the Montebello curve, where the Morteratsch Glacier and the Bernina massif open up across the valley, then climbs to Ospizio Bernina at 2,253 m, the highest point, beside the pale waters of Lago Bianco.
Did you know? Between the Bernina Pass and Tirano the line drops about 1,824 metres, all without a rack, making it the highest adhesion railway in Europe.
17 Stoosbahn (Schwyz–Stoos funicular)
Standseilbahn Schwyz–Stoos
Switzerland · 3.7 km from Schwyz46.991° N 8.673° E
Pakeha · CC BY-SA 4.0 What makes the ride memorable is less the number than the vehicle. Each of the two cars is built from four barrel-shaped cabins with wide windows, and each cabin is rotated hydraulically as the gradient changes, so the floor stays level from bottom to top. Passengers stand upright while the hillside tilts past the glass, board on the flat at both stations, and can bring a pram or wheelchair aboard without steps.
Did you know? Its track was laid by a purpose-built machine that placed prefabricated concrete segments, each 5.6 metres long, up the slope.
18 Niesenbahn
Switzerland · 35.2 km from Bern46.639° N 7.690° E
Image by 12019 from Pixabay The line is split into two sections that meet at Schwandegg, where passengers change cars. 4 km, and on the steepest part the gradient reaches 68 per cent, and each car carries up to 60 passengers. Each half takes roughly a quarter of an hour, and the unhurried pace is part of the pleasure: the cabin rises through meadow and forest into open alpine pasture while Lake Thun spreads out behind it.
Did you know? When it opened, the ride to the top took around 50 minutes; today the two sections together take under half an hour.
19 Schilthorn Cableway
Luftseilbahn Stechelberg – Schilthorn
Switzerland46.562° N 7.858° E
Image by Julius_Silver from Pixabay The summit owes its fame to cinema as much as to the view. Before the top station was finished, the producers of the James Bond film On Her Majesty's Secret Service chose the Schilthorn as a key location, shot there between October 1968 and May 1969, and paid to complete the summit building for their use.
Did you know? The helicopter pad built by the Bond production at the summit survives today as a viewing platform.
20 Brienz Rothorn Railway
Brienz-Rothorn-Bahn
Switzerland · 20 km from Sarnen46.787° N 8.037° E
Johnw · Public domain The journey takes about 55 minutes, and it is the slowness that makes it. The train leaves Brienz at 566 metres, by the lake, and works its way up through forest and meadow, pausing at the passing loops of Geldried, Planalp and Oberstafel, where trains going up and down meet. The engines work hard on the grade, trailing smoke and steam into the alpine air.
Did you know? In 1992 and 1996 the Winterthur works built new oil-fired steam locomotives for the line, a rare case of brand-new steam traction in the late 20th century.
21 Titlis Rotair
Switzerland · 20.2 km from Stans46.771° N 8.423° E
Björn Söderqvist · CC BY-SA 2.0 Those five minutes are among the most spectacular in the Alps. The line leaves the rock and scree of Stand and passes over the Titlis glacier, a field of ice broken by crevasses, while the cabin swings the view around from the green bowl of Engelberg and the Trübsee lake far below to the icy summit ridge ahead and the ranks of Central Swiss and Bernese peaks on the horizon.
Did you know? The mountain's name probably comes from a man called Tutilo: a document of 1435 calls it Tutilo's mountain, which gradually became Titlis.
How this list is ranked
Places are chosen for how they look, not for how famous they are: each one has its own description and a photograph credited to its author. The order is a single world ranking that weighs the beauty of the place in curated photography together with how widely it is documented — the number of language editions of its encyclopedia article and how often that article is read in a year. The list is rebuilt as places are added, so the order and the counts on this page are always current.
Questions people ask
- What are the greatest engineering wonders in Switzerland?
- On our list, Chapel Bridge ranks first, followed by Landwasser Viaduct and Albula Railway.
- What is the highest railway station in Europe?
- Jungfraujoch, at 3,454 metres, is the terminus of the Jungfrau Railway. The line runs most of its route in a tunnel bored through the Eiger and the Mönch and opened in 1912.
- How steep is the Pilatus railway?
- Its steepest gradient is 48 percent, which makes it the steepest rack railway in the world. It uses a special rack system with horizontal cogwheels engaging both sides of the rail to stop the wheels from riding up.
- Why does Switzerland have so many rack railways?
- Ordinary adhesion trains cannot climb Alpine gradients, and from the late 19th century tourism made it worthwhile to bring visitors to summits and high viewpoints. A toothed rack between the rails lets trains climb slopes that would otherwise need long detours.
- How many engineering wonders are on this list in Switzerland?
- The list covers 21 engineering wonders.