Lucas M
Lurking beneath our feet lies a hidden world of breathtaking subterranean wonders – a realm where humanity’s most ambitious dreams have been forged into concrete and steel. From record-breaking lengths to breathtaking natural backdrops, these tunnels represent the pinnacle of human innovation and determination.
Gotthard Base Tunnel, Switzerland
This 35-mile-long phenomenon is the world’s longest and deepest subway, connecting Zurich and Milan. Burrowing through the Swiss Alps, it took over 17 years and $12 billion to complete, revolutionizing high-speed rail travel in Europe.
Laerdal Tunnel, Norway
Imagine driving for over 15 miles underground. Fear-inducing, right? Not in Norway! The Lærdal Tunnel has three hollow chambers filled with colorful lighting, making the drive surprisingly pleasant (and award-winning for its safety features!).
Bund Sightseeing Tunnel, China
This psychedelic pedestrian subway in Shanghai uses lights and mirrors to create an otherworldly kaleidoscopic experience for visitors traveling between the Bund and Pudong. It’s a true feast for the senses!
Ryfylke Tunnel, Norway
With a 292-meter descent below sea level, the Ryfylke underwater subterranean passage is one of the deepest of its kind. Drivers are treated to mesmerizing views of the fjords as they cruise through this engineering genius.
Channel Tunnel, England-France
The Channel Tunnel isn’t your average subway ride. This 31-mile engineering sensation burrows beneath the English Channel, connecting Britain to France. Hop on a train and zip between countries in just 35 minutes – all while feeling like a modern-day Jules Verne.
Guoliang Tunnel, China
Dubbed the “Road that Does Not Tolerate Any Mistakes,” residents carved this winding subway into the side of a mountain in China’s Henan Province. Its spectacular views and dramatic location make it a must-visit destination for thrill-seeking travelers.
Dalesbridge Aqueduct, England
This 18th-century aqueduct was an incredible feat of engineering, allowing the Leeds and Liverpool Canal to soar over the River Aire. Visitors can walk along the narrow walkway for unique views of the industrial landscape below.
Wieliczka Salt Mine, Poland
Descend into an underground city of chapels, statues, and even a cathedral, all carved entirely from salt. This historic Polish mine offers a surreal and otherworldly experience for curious travelers.
Seikan Tunnel, Japan
Hold your breath because the Seikan subway in Japan plunges a record-breaking 456 feet below sea level! This 33-mile underwater passage connects the islands of Honshu and Hokkaido, offering a truly unique travel experience (and a peek at some fantastic marine life on the train journey).
Marble Caves, Chile
Carved out by the glacial waters of Patagonia over thousands of years, these magnificent caves feature a mesmerizing blue hue. Boat tours allow visitors to explore the underground passages and marvel at the naturally sculpted walls.
Tunnel of Love, Ukraine
This enchanting, tree-lined rail subway in Klevan transforms into a lush, green cathedral during the spring and summer. It’s a popular photography spot and a romantic destination for visitors.
Furka Base Tunnel, Switzerland
When it opened in 1982, this high-altitude rail tunnel in the Swiss Alps was an engineering marvel nearly 22 miles long. Passengers traveling between Andermatt and Realp can enjoy stunning views of the nearby glaciers and mountains.
Jenolan Caves, Australia
Discover an ancient labyrinth of limestone caves and underground passages in the Blue Mountains of New South Wales. Guided tours allow visitors to explore the striking underground chambers, some millions of years old.
Hetch Hetchy Aqueduct, California
This remarkable system of subways, pipelines, and reservoirs transports fresh water over 150 miles from the Hetch Hetchy Valley to the San Francisco Bay Area. It’s an impressive feat of civil engineering completed in the early 1900s.
Eisriesenwelt Cave, Austria
Explore the world’s largest ice cave, where towering walls of frost and snow create a magical, frozen landscape. Adventurous travelers can explore this natural wonder by following a guided tour through its winding passages.
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