The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

During Prohibition, the U.S. Congress had an "official" bootlegger, with his own Capitol Hill office.

"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 hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

Atop this media building, two hives containing more than 30,000 bees keep the surrounding area vibrant.

Also known as the Founding Church of Scientology.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

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

This forgotten boat elevator was an engineering marvel in its heyday.

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

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

Art deco landmark on the outskirts of Washington, D.C.

Before Nixon, "watergate" meant canals.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

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

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

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

The "lovely red Vega" of the legendary record-settling pilot.

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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.