This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

There’s a special club house at the top for the bell ringers.

There’s a hidden military meme engraved on the World War II Memorial.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

San Francisco Bay's ghost town.

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

Of all the origin stories for weed's secret code, this one likely has the goods.

An artsy hidden staircase leads to breathtaking views of San Francisco.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

The capitol city's oldest existing cemetery.

Special tunnels built so that frogs won't be killed when crossing the highway.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

I Street Bridge is the heaviest swinging center bridge in the United States.

Puzzling...this tree looks like an assemblage of dismembered monkey limbs.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.