Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

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

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

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

A museum of carnival attractions where you are invited to ride the rides.

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

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

Tirelessly maintained by a Wisconsin man named JFK.

A bizarre house filled with an astounding array of collections.

A large circus museum with summer performances.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

Amateur taxidermy museum known for its large collection of white squirrels.

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

Taxonomy experiment known for quirky collections.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.