In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

A micro-communist utopia in Spain with no police, no mortgages and full employment.

A historic Christian shrine nestled within a spectacular natural cave.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Little Red Lighthouse under the George Washington Bridge.

This monster board rode a monster wave to break two world records.

Museum dedicated to the preservation of surf culture.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

Sleep in a glass pod dangling off a cliff.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This stone complex marks the urban center of a lost civilization.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

A hidden three-foot-wide house separates these two regal churches.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The world-record holder for the longest bridge stretching continuously over water.

An abandoned warehouse turned art sanctuary in New Orleans.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.