This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The romance of early commercial flight still fills this Art Deco destination.

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

Largest Roman Catholic church in North America.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

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

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

The oldest continuously operating fish market in the United States.

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

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

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

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

Home to items never before seen by the public.

A historic neighborhood church is reborn as a psychedelic arts collective.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

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.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

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

The walls of the iconic dome are hollow and have a secret stairway.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.