The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

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

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

Australian Lake set aglow by Noctiluca Scintillans.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

A unique seaside cave where Aleister Crowley faked his own death.

Picturesque intersection of witchcraft and ancient Christianity.

Houses are tucked between, on, and underneath giant boulders.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

An Australian lake whose pink hue defies scientific explanation.

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

One of the largest ochre quarries in the world, hidden in a limestone landscape.

A mesmerizing landscape of 18th-century cellars carved out of the land.

Ancient structures used to make and preserve ice in the deserts of Persia.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

The best place for scenic views of the DMZ and North Korea.

Secret North Korean passage discovered below the world's most dangerous border.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.