In France, a medieval-style home pays homage to an intrepid explorer who discovered Québec.

This demon atop the Notre-Dame de Paris looks utterly bored.

This bridge was constructed from the rubble of the infamous Bastille.

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.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

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

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

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

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The hallucinogenic center of the ancient world.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

An ancient octagonal weather station named for the eight Greek gods of wind.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This 19th century cyclorama acts like an analogue time machine to a different era.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

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

A church of bones, decorated with 40,000 human skeletons.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.