Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This ordinary street was made infamous by a legendary visit from the devil.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

A living museum dedicated to the legendary woodworker and his soulful furniture.

Abandoned in 2009, this once popular resort destination now stands frozen in time.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

Experience the "opulence, grace, and grandeur of Eureka's most famous Victorian Inn."

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

A treasure hunter's tiny bar, harboring celebrities since 1959.

Nationwide network of co-ownership underground catastrophe shelters.

Hidden among the multi-million dollar mansions in the Santa Cruz hills is a sanctuary for troubled birds.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

The most beautiful Taco Bell in the world even has surfboard parking.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

Friendships have been forged over ham and eggs every Wednesday morning for nearly a century.

This museum boasts the ninth-largest collection of insects in North America.

Its dark depths conceal millions of rare, delicate crystal formations.