Mexico City's largest market contains a Willy Wonka-esque wonderland.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

Frida Kahlo's childhood home, now a museum of her life and works.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

Mexico's astounding mummy museum with "the world's smallest mummy."

A museum in the former home of Marxist revolutionary Leon Trotsky.

A museum devoted entirely to the rattlesnakes and snake-related art.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Legends surround this jagged rock formation in the New Mexico desert.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A man-made island in scenic San Francisco Bay.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

An essential stop before plundering, BYO Cutlass.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.