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.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

A Wild West jailhouse that slid down the mountainside.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

What is the Thing?

A spiritual vortex among the red rocks in Sedona.

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

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

A 131-year-old wunderkammer of Texas history.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Official museum, hall of fame, and repository of the Texas Rangers.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

Three hundred years of preserved Spanish colonial history in San Antonio.

Turning night into day in Victorian-era Austin to thwart a serial killer.

A modernist landscape of water and sci-fi concrete.

A bit of retro transportation flair preserved in the world's largest department store.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

An exotic wildlife habitat right off The Strip.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.