This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

A corkscrew-shaped barn in Ireland.

The ancient tomb acts as a calendar that keeps perfect time.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

A reminder to choose water over wine since 1888.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

A museum dedicated to a sea that should have never been.

A ring of creosote bushes that are estimated to be 11,700 years old.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One man's quest for the ultimate road trip vehicle.

An ode to the friendship between four Pacific Rim countries.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

Lucha Libre (Mexican Wrestling) themed taco shop.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

A subterranean display of public art and architecture.