Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

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

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

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

The only place for a truly presidential dram.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

A museum in the heart of Virginia peanut country devoted to the humble goober.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

A small Richmond island dotted with the remnants of hundreds of years of history.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

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

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.