Through the decades, Black music stars have performed at this historic hub for music and the arts.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

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

Also known as the Founding Church of Scientology.

A line of blue paint marks the route of the inaugural parade.

A small token of gratitude from freezing cold journalists who were given a warm haven while covering JFK's inauguration.

These abandoned waterworks are crumbling into the Potomac River.

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.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

A building shaped like the Army Corps of Engineers logo, because why not?

100 years later, they're still down there.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

Before Nixon, "watergate" meant canals.

A historic arena where the Beatles played their first concert in the U.S.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

Washington's iconic carousel has a nice piece of Civil Rights history.

The towering figures were created from the cemetery's fallen old-growth trees.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

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

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.