Monument to a suicide protesting the Soviet invasion.

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

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

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

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

A relic of World War I that now exist as a piece of public art.

A diminutive statue that was inspired by the sculptor's own daughter.

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

Italy's curious field of mud volcanoes is named for being both gross AND salty.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

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

Macabre astrological automaton clock dating to the late 1400s.

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

A Baroque mansion with ties to legendary magicians and alchemists.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A dead saint, a deadly poison, and a mysterious holy ooze.