Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

An old Danish political institution where members of government can grab a drink off the record.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

The oldest garden in Prague, once part of an medieval orchard.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

An existential riddle in the world's largest ancient castle.

Looming communist pillar with a Czech twist.

An Orwellian sculpture with eyeball cameras watches passersby.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This artificial cave looks like something out of a fairytale.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

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

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

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

The home of the Dead Sea Scrolls is an abstract modernist dream.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.