Please don’t anchor your boat onto the Department of Defense’s underwater data cables.

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

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.

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.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

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

The skeletal white beams stand as a monument to religious dissent.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

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

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

The first island in the world designated a light-pollution-free astronomical observation point.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.