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

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

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

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The first green space constructed on an elevated viaduct.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Each winter this underground cave forms a dazzling ice palace.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

An entire city block built completely out of petrified wood.

A cemetery housing wild west legends in South Dakota.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.