This attraction was abandoned after the Chernobyl disaster.

The underground sanctuary of a mysterious ancient cult.

A gallery of underwater art that can be visited by man and fish alike.

The glowing blue Nymphaeum of Emperor Tiberius.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Pompeii's less famous neighbor is still revealing her secrets.

Resting place of Hollywood's immortals is also site of summer film screenings.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The world's brightest bioluminescent bay.

This seven story Japanese love hotel now stands in ruins.

The demolished ruins of a poorly located Japanese Love Hotel.

Peace Park and the Atomic Bomb Dome.

Bioluminescent firefly squid light up this Japanese fishing port.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

A gigantic 10-foot tall stone man.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

Playable, historic pinball machines fill this Alameda museum.

A magical place that lets you play in and explore the world of Studio Ghibli.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A picture-perfect town, perfect for blowing up.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Egyptian Revival movie palace abandoned for decades and restored in 2013.