In 1952, this restaurant began selling the Colonel's “secret” recipe.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

A quirky old tree covered in tokens, cans, and bottles of wishes.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

Pyramid home to an obscure religious group that practices modern mummification.

A replica that won't float away.

This geothermal hot spring hides beneath a slowly growing mineral dome.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

This popular cave pool is truly magical, despite the crowds.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

The only castle in North America to ever house European sovereigns.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

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

This exaggerated sculpture resembles a well known feature of Vancouver:

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

High winds can make this one scary landing.

The glacier tucked within a New Zealand rainforest.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.