Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This artificial ring island was built to hold cubic tons of polluted dirt.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

Wars fought and wars won are remembered by these abandoned bunker ruins.

These crumbling Latvian forts make for some haunting seaside ruins.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This abandoned Antarctic research station is a Soviet ghost frozen in time.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

Repurposed space and ultra-modern construction collide to create this geometric wooden spectacle.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

The tallest residential building in Africa is an unsettling Brutalist monolith.

A pair of connected skyscrapers form this symbolic gateway.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Tour the sci-fi-esque reality of governmental disease management.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

This old Estonian mine has been kept like a sprawling time capsule of the local shale industry.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.