The land is home to swimming ponies and a legendary 18th-century treasure.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

A portal into the bricked up canal that runs through the heart of Washington D.C.

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

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

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

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

Before Nixon, "watergate" meant canals.

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.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Decades before the scandal, this staircase on the river was a literal "water gate."

The national park was once a plantation estate.

The oldest continuously operating fish market in the United States.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

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

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The United States Capitol's former columns still stand.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.