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

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

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

This artificial cave looks like something out of a fairytale.

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.

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Walk through Czech history in Prague's largest graveyard.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

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

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

The curious flowers of this hard-to-find tree are shaped like little hands.

A beautiful example of 18th-century engineering still standing tall.

It was dubbed the "Garden of Plates" because it's covered in pieces of discarded dishes.

This museum tells the history of Day of the Dead sugar sculptures.

For decades, the parade of apostles that left the Expiatory Temple of Guadalajara remained hidden inside one of the towers.

Where layer cakes tower above one’s head and there is never a shortage of icing.

The world's first museum of its kind is packed with nostalgic relics of the past.

On a picturesque lake island, a massive, “broken” crucifixion has become a popular pilgrimage destination.

The mummies of a fake priest and bandit's wife are among the abundant curiosities at this museum.

One man's personal collection of more than 2,000 creepy-crawlies from around the world.