The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The museum chronicling a treasure hunter's dream, fulfilled.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

A community of collapsing homes more than a mile out from the Florida coast.

Former villa and estate of James Deering developed to preserve native tropical forests.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

A second generation sun-powered marvel lights up the night.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Three vintage horses survived a 1976 inferno and found a home on a sister carousel.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The famous animator's private station house and man-cave was the birthplace of imagineering.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Historic funicular railway, believed to be the shortest railroad in the world.