Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

An abandoned Art Deco hotel nestled on the side of a wooded mountain.

A mysterious set of tunnels carved in the hills of rural northern Kyushu.

This subterranean spot might be the epitome of Japan's baroque, retro coffee houses.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

Largest graveyard in all of Japan surrounds a famous mausoleum.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

Shells collected from over a hundred different countries line the walls, floors and ceilings of this fantasy museum.

The world's largest drain sits below the city of Kasukabe, Japan.

A Japanese corporation has turned this small island town into living modern art gallery.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

Once the most densely populated place in the world, this island is now a ghost town.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.