This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A massive sea stack famous for its appearance in The Goonies.

The unbelievably opulent home built for an infamous newspaperman.

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

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A wall of chewing gum moonlights as collective art.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.