This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

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

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

A Jenga-style cylindrical tower of books that appears to go on forever.

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

A saintly relic hidden in a Prague church basement.

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

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

Steadily reminding Czechia of its past.

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

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

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

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

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

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

This classic restaurant features a gorgeous mirror-clad room.

A majestic hotel for dreamers rises from the center of a fairytale wood.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

A garden in Lisbon filled with giant porcelain creatures.