A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

These unusual rooms on wheels are holdovers from the 1960s.

Get up close and personal at this Fresnel Lens.

A lightship turned museum, outfitted with artifacts from the vessel's past as part of the U.S. Lighthouse Service.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

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

The system of air guns are fired off remotely to scare any trespassing avians.

A throwback to 1980's gaming nostalgia.

A memorial dedicated to a highly decorated Marine and Korean War veteran, who also happened to be a horse.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

An eponymous directional signpost erected by the first president of the United States.

The grave of a champion Thoroughbred hides within the former presidential estate.

Anna Anderson spent most of her life claiming to be the lost Romanov child Anastasia.

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.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

This former Cold War missile control site played an important role in the creation of GPS.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

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

Conveniently located within binocular range of a nuclear bunker, the "summer camp" area was a painfully obvious spy house.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

Memorial stone for GWAR vocalist, depicted in his iconic costume.

Where pardoned turkeys once spent their all-too-brief final days.