Oddly shaped rock formation, misassociated with a nearby utopian community.

A house carved into a rock in the 1940s.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

The trials and tribulations of marking Poe's grave.

Home of the International Space Hall of Fame.

The final resting place of New Orleans' most famous voodoo priestess.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

Elevated freight railway turned wildly successful urban park.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This probably wasn't what Mao had in mind.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

At 207 feet, one of the world's longest continuous escalators.

The Decoy Capital of the World.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Deadly airliner crash preserved for those willing to climb and pay respects.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A museum devoted entirely to the rattlesnakes and snake-related art.