Microscopic scenes; some call it novelty, some call it art.

This automated sculpture of two men peeing will spell out text messages with their micturition.

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

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

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

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

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

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

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

Macabre astrological automaton clock dating to the late 1400s.

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

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Rebuilt remains of a temple to Roman god Mithras.

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Huge winged monument in the United Kingdom.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

An iconic waterwheel in the Pennine Hills marks the location of one of Britain’s most profitable lead mines.

A perfectly running 230-year-old silver automaton and music box.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.