391 Items Tagged

Tunnels

Tunnels of Euston.

London, England

Euston's Lost Tunnels

A network of concealed passageways lies within a busy London Underground station.

Entrance to the Redcliffe Caves at Phoenix Wharf.

Bristol, England

Redcliffe Caves

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

The tunnel through the limestone rock.

San Lawrenz, Malta

The Inland Sea

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Clifton Rocks Railway

Bristol, England

Clifton Rocks Railway

The abandoned funicular tunnel was a secret base for the BBC during World War II.

The entrance to the Gates of Hell.

Gates of Hell

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Inside the pedestrian tunnel.

Rotterdam, Netherlands

Maastunnel

The Netherlands' first car tunnel has an unusually rectangular shape.

Darwin oil storage tunnel.

Darwin, Australia

Darwin Oil Storage Tunnels

World War II ended before these tunnels built to protect vital oil from Japanese bombs were ever used.

The Columns Group.

San Pablo Villa de Mitla, Mexico

Column of Death

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

The bleach-white cemetery.

San Juan, Puerto Rico

Old San Juan Cemetery

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The Tunnel of Love.

Comuna Obreja, Romania

Tunnel of Love

The romantic botanic tunnel feels like a well-kept secret.

The Grand Room today.

Pasadena, California

Cheesewright Studios

This 1920s masterpiece of French Quarter architecture hides a secret tunnel used by Albert Einstein.

Brick supports hold the crumbly cave up.

Nottingham, England

Bell Inn Caves

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

The finest local tunnels are at least a little scary.

What You Told Us About Your Hometown’s Hidden Tunnels

We asked Atlas Obscura readers to share local stories of secret underground spaces, and they went deep.

Eric Grundhauser June 1, 2018

Roman circus of Tarragona.

Tarragona, Spain

Roman Circus and Praetorian Tower

Long tunnels run under the ancient chariot racing circuit to the tower.

Have you ever been somewhere you shouldn't be?

Tell Us About Your Hometown's Hidden Tunnels

We want to hear your local stories about secret underground passages—real or rumored.

Eric Grundhauser May 24, 2018

Wooden escalators, can't slide down the middle.

Antwerp, Belgium

St. Anna's Tunnel

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Helensburgh, Australia

Glowworm Tunnel

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Remaining structures surround the main silos.

Chicago, Illinois

Damen Silos

These abandoned grain silos and tunnels are an urban exploration dream.