"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

The largest and most well-preserved petroglyph site in the Verde Valley.

A spiritual vortex among the red rocks in Sedona.

Ancient pueblos built into the base of a natural canyon wall.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

One person's lost luggage is another person's treasure.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Enormous lake at the bottom of a unique cave system.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

Live long and prosper in Tennessee.

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

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

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

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.