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

Okinawan dining in a twenty foot tall, man-made tree house overlooking Naha Harbor.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

Every color in the rainbow awaits.

The original "capsule building" is a masterpiece of Metabolist architecture.

Experience park where visitors are told to expect the unexpected.

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

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

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

On Japan's Tashirojima Island, cats are king.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

The difficulty of getting a good night's sleep is an age-old affliction according to the one-of-a-kind Snoring Museum.

A 12th-century fortress containing some of Berlin's oldest buildings.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

An old slaughterhouse now holds the largest collection of pig artifacts.

Be it nature, art, or abandoned military architecture this eclectic German "museum" has you covered.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This 600-year-old home seems to defy physics.

The history of German architecture is explored across this fairy-scale mini-city.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

A striking 12th-century-style castle built on the edge of a cliff.

These 18th century gardens tell a rocky story of the son of Odysseus.