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

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

More than five miles of underground passageways.

The pan man stands as a testament to the functionality of American cast iron cookware.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

This candy-colored storybook village originated as a 19th-century Methodist campground.

Marigolds, rosemary, Madonna lilies, and the Virgin’s Bower decorate this Massachusetts sacred garden.

A giant poultry statue immortalizes one of Alaska's more humorous town names.

Roadside collection of 65,000 signs.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

A sprawling maze of used books piled from floor to ceiling.

This funky outdoor gallery in Florida is filled with whimsical recycled art installations.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

Many of the murals covering this sleepy Florida town hide some sort of intentional error.

An oddities shop that dabbles in the deathly and beautiful.

Home to drunken tower-climbing goats... seriously.

The 40-foot-tall votive candle is the largest of its kind.

255 feet of suds, scrubbers, and blow dryers.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.

The outside of this exposed Moche pyramid is covered with striking colorful adobe friezes.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.