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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This folk museum is devoted to small figurines of provincial village life.

The first green space constructed on an elevated viaduct.

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

A haunting collection of the vanished and disappearing natural world.

This museum houses an imposing skeleton army comprised of creatures great and small.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

The most confusing clock in New York.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

An artist's cute bronze subway sculptures belie his violent artistic past.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Elevated freight railway turned wildly successful urban park.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

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.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

Bouncing, delightful, mechanical art at the MIT Museum.

The oldest playground in America.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Montreal's colorful subway station shows its support of the local LGBT+ community.