St. Francesca Romana, patron saint of drivers, resides in the church she founded.

A Nesting Doll of Churches.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A miniature Corsican village built out of pebbles.

Windblown rock formations in an ancient Roman quarry.

Crushed coral and crystals give the sand its signature coloration.

Once the hottest nightclub in France, Amnesia now lies in ruins after a 2000 bombing.

The first modernist church in Europe.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

More than a millennium's worth of municipal records preserve the political history of Austria.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

A massive marble foot is tucked away in a small alley near the Pantheon.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Steadily reminding Czechia of its past.

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

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

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