A historic ruin just 20 feet away from a busy highway onramp.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

The towering figures were created from the cemetery's fallen old-growth trees.

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

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

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

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

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

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

A clone of a cloned tree that was so important it allegedly had its own guards.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

This lovely pocket park is one of the most under appreciated in D.C.

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

A celebrity from the late Cretaceous period.

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

Obscure Freemasons still live in D.C.’s largest private residence.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

A computer bug so primitive it was an actual insect.

A haunting tribute to pioneering photographer Clover Adams.

A super-sized promotional trick that is now a D.C. landmark.

Home to a vast and influential collection of Shakespeareana.