The United States Capitol's former columns still stand.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This grand gothic brewery has been pumping out suds for over a hundred years.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

One of the highest points in Bexar county offers birdseye views of San Antonio and a four-story stone tower.

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.

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

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

The most accurate timepiece in the world.

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.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A historic ruin just 20 feet away from a busy highway onramp.

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

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

The former home of Thomson Francis Mason, the mayor of Alexandria from 1827-1830.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

These unusual rooms on wheels are holdovers from the 1960s.

The system of air guns are fired off remotely to scare any trespassing avians.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

Please don’t anchor your boat onto the Department of Defense’s underwater data cables.