This bakery sits on the site of the Black Panther Party's first headquarters.

Oakland's beautiful monumental cemetery.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

Home to items never before seen by the public.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Kayak out to a floating restroom.

This mountain trail inspired Nietzsche to complete his magnum opus.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

Decades before the scandal, this staircase on the river was a literal "water gate."

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

The most accurate timepiece in the world.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.