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

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

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

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

The oldest continuously operating fish market in the United States.

When it opened during the final years of the embargo, all the drinks and cigars were free.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A wondrous old library overlooking the nation's capital.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

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

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

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

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

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A monument to the art of slicing people open.