Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

Town not known for anything except its strange name.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

This museum is dedicated to the history and design of purses.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

French commune at the heart of conspiracies.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

The site of the first medieval crusade that pitted Christians against Christians.

The world's most famous cheese caves.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

The early 20th-century home features cutting-edge technology of the day, such as ammonia refrigeration and needle showers.

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

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

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

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

A haunting collection of the vanished and disappearing natural world.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

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

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

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

This Parisian café sticks almost exclusively to an ethos of reuse.