Historical figures from New York City's Catholic community reside in Midtown.

The mummified relics of an American missionary.

Salute the leader of the proletariat.

The site of the deadly Triangle Shirtwaist Factory Fire.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

Cryptic messages embedded in the New York City sidewalk.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The "Seinfeld" diner.

New York City's smallest piece of private property.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Eulogizing an unknown man's unusual demise.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Tucked away on a scenic trail, a modest memorial honors one of the greatest writers of our time.

A black cottonwood gets a second life as a home for books.

A wild west land agreement was etched right onto this historic Idaho stone.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.