The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

The United States Capitol's former columns still stand.

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

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

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

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

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

There's a crumbling old mansion inside the Smithsonian National Zoo.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.