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

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

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

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

They sort through millions of dollars worth of diplomatic gifts on behalf of the government.

The national park was once a plantation estate.

At 207 feet, one of the world's longest continuous escalators.

Largest Roman Catholic church in North America.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Obscure Freemasons still live in D.C.’s largest private residence.

The site of the climactic scene from the classic horror film is now a historic landmark.

When it comes to handsignals (and colonialism) rock always beats scissors.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.