The first American department store, and home to the largest operating musical instrument in the world.

A park full of outsider art, created by college students studying outsider art.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Featuring the the longest lift span of any vertical-lift bridge in the world.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

This mid-century mural portrays humankind's spiritual and scientific journey.

A gigantic, symbolic artwork covers the side of the building.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

Its incredible collections are dedicated to preserving Mexico's film history.

Diego Rivera's massive tiled fountain and failed infrastructure project.

Part bookstore, part café, and part forest.

These subterranean models show Mexico City's central square during three different eras.