A mechanized clock where a man fights off a dragon, crab, and rooster.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The celebrated eyesore created by starry-eyed sweethearts.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The curious underground history of keeping Paris clean.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

The oldest stone house in Paris was built by its most famous alchemist.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Have a seat with the father of modern computing at this Manchester monument.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Used as an example in one of the first dictionary entries for "museum" in 1706.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

One of England's most famous churches hides a pair of little known architectural treasures.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.