You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The headquarters of the famous Yale society.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Less a museum than a bizarre fantasy world created by artists and engineers.

One car at a time please.

These pretty kitties killed and ate as many as 135 railway workers.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

This 19th-century museum inside of a lighthouse is only accessible during low tide.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Dentist's hated concrete colossi are now beloved icons of the community.

Eclectic collection of dark and macabre antiques.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

What is the Thing?

The world's largest military aircraft cemetery.

Limestone caves with spectacular showcase chambers.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.