A Hungarian optometrist's charming collection of Asian art and curiosities.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Rare karst landscape eroded from a flat seabed.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

Op-art architecture designed for happiness.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The final resting place for the remains of 143 Habsburg royalty.

Legends surround an ancient tree trunk riddled with nails for good luck.

Baroque celebration of the end of the Great Plague of Vienna.

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

Looming communist pillar with a Czech twist.

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

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.

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

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

This spooky statue sits outside a famous Prague theater.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.