The only theatre in the world constructed specifically for sound movement.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A psychedelic labyrinth on the San Francisco bay.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This 2,000-year-old stone maze is one of the oldest in the country, but its purpose is still a mystery.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

An old department store turned Nazi prison turned artist commune.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

This classic restaurant features a gorgeous mirror-clad room.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

A collection of abandoned typographic signs from Berlin and beyond.

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

A slice of central Asia in the middle of Berlin.

Started as a kitchen garden, now the second largest botanical garden in the world.

Norway has built what may be the world's most beautiful public toilet.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

An intricately carved Viking church overlooks a glistening fjord.

A 12th-century church with a medieval fresco and an intriguing “Greek runestone.”

The single richest source of elemental discoveries in the world.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

Stockholm's deepest subway station is also a stunning ecological wonder.