An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Step into the cool deep past and unknown future of who begat who.

The fifth-longest natural arch in the world, and the longest outside China.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A house carved into a rock in the 1940s.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

Dramatic river bend surrounds a natural red-rocked pedestal.

See massive fossils that are over 200 million years old in northeastern Arizona.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Try not to get slimed in Tribeca.

The record holder for the world’s largest peach.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

One of the oldest living oak trees in the Southeast.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.