A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

An architectural oddity hides in plain sight on this iconic London bridge.

Neal Cassady may still have an open tab at one of Denver’s oldest watering holes.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The first memorial dedicated solely to the Black troops who fought for the Union.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Also known as the Founding Church of Scientology.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

Every drop of D.C. tap water flows through this old waterworks.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

An overlooked memorial honoring the local Washington residents who died in World War I.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.