A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This golf ball–shaped former desert real estate office now houses a UFO museum.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Rippling sand dunes frozen in the Arizona rock.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

This historic train station has been converted to a locomotive themed hotel.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

A celebration of capitalism in Midtown.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Read a book next to a Midtown waterfall.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

New York's oldest magic store.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

The oldest living tree in Manhattan comes shrouded in sinister legend.