This bike path traverses the treetops.

This bike path was sunk below water level for maximum wonder.

The hallucinogenic center of the ancient world.

This spooky statue sits outside a famous Prague theater.

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

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

One of the oldest, well-preserved water treatment facilities in all of Europe.

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

Monument to a suicide protesting the Soviet invasion.

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

A mocking tribute to the past and modern leadership of Prague.

Macabre astrological automaton clock dating to the late 1400s.

This doorless 20th-century elevator doesn't stop or slow down.

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

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

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

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

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

This floating cinema brings new meaning to the phrase "going out" to the movies.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

Two graffiti towers stand like ghosts of Vancouver's World War II-era defensive outpost.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

This enormous photomural pays homage to Vancouver's infamous history of public activism.