The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

These fantastically named natural pools look like something out of a Scottish myth.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

World War II-era Nazi compound nestled in the Santa Monica hills.

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

A music-filled, booze-soaked oasis in the desert.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

On a barren hillside in the Yucca Valley, the recently restored Desert Christ Park has attracted pilgrims and kitsch hunters for over 50 years.

A fake town founded by Western movie stars is now becoming a hip desert community.

Version of the French Riviera destroyed by the sea.

A massive underwater sinkhole made famous by Jacques Cousteau.

This extraordinary geological oddity resembles human-made pavement.

Aqua white sand highlighted with fiery red rocks.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

One of the best beaches in the entire world.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

A 300-ship graveyard, with a few still visible at low tide.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

A man-made island in scenic San Francisco Bay.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Concrete strongholds stand guard over the Golden Gate.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."