The first space rock known to have struck a human.

These ruins are all that's left of the former Alabama State Capitol.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

The first American department store, and home to the largest operating musical instrument in the world.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

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

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.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."

St. Augustine's record-setting narrow street was designed to protect against pirates.

One of the few surviving "Wigwam"-themed motels.

The world's longest known cave system.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

The "lovely red Vega" of the legendary record-settling pilot.