One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The whimsical construction on the roof has given rise to many a Montgomery myth about its contents.

One part antique store, one part curiosities hodge-podge.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

A 131-year-old wunderkammer of Texas history.

These boots are made for selfies.

Mile-long cave system near Great Smoky Mountains.

Railroad came. People came. Railroad left. Town died.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A miniature city built by a single hunchbacked monk.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

A wealth of local folk art, antiques, and curios, without ever leaving your car.

148 feet long and in the middle of a verdant forest.

Medical museum featuring a number of excellent medical models.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The country music legend's grave is surrounded by Astroturf because fans kept plucking out the grass.