An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This charmingly homemade amusement park has been growing for 40 years.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A snapshot of the city's fascinating voodoo culture.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Exotic feline breeding compound and conservation center.

America's only nuclear missile silo open to the public.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

One of only two commuter aerial tramways in the United States.

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

A winding path built in secret on the edge of the continent.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.