The history and future of cannabis.

A floating cat sanctuary on an Amsterdam canal.

This unusual elevator doesn’t stop or slow down.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A saintly relic hidden in a Prague church basement.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

How did a literal hole in a wall become one of the top-rated tourist attractions in this English town?

Left by the Devil, an ancient quarry or just plain old erosion, this enigmatic rock pillar rises 28 feet from the hillside.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

This curious sculpture represents the perseverance needed to take to the skies.

A dilapidated space station with overtones of 'Alien' and 'Bladerunner' featuring a multiplayer games galore.

One of downtown Berlin's last reminders of its Communist past.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.