Rome's semi-secret peephole vista is also a former Crusader stronghold.

The underground sanctuary of a mysterious ancient cult.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

Pompeii's less famous neighbor is still revealing her secrets.

This ancient theater was once the home of fierce gladiatorial battles.

Celebrate the end of the Great French Wine Blight with a festival of kissing.

The huge golden reliquary of a testicle-smashing saint.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

His "Lionheart" is entombed separately from the rest of his body.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This little-known relic crypt holds stolen parts of a Roman Empress.

The encased skull that is widely believed to belong to St. John the Baptist.

Historic medieval fortified city in southwest France.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

A beautiful and classically designed villa, with an hourly infestation of monsters.

Ancient paintings known as the "Sistine Chapel of Cave Art."

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

A beautiful bamboo trail tucked in this famous Japanese Shrine.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.