A journey along this trail means indulging in a slice of nostalgia.

This abandoned church languishing for decades is now one man's passion project and subject of paranormal investigators.

A 100-foot metal tower and swinging bridge that provides stunning views of mountains in five states.

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

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

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

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

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

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

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.

A decaying garage hidden amid the dense forest is all that remains of a once-prosperous dairy farm.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

The maritime museum that boasts the largest nautical library in the western hemisphere.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

The taxidermy remains of the most popular pony in children's literature.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

This cannonball stands as a reminder of the final act of a fleeting governor amidst a revolution.

Extraordinary objects lurk in this quintessential regional museum.

Rowdy rebels fortified this home during the first popular uprising in United States history.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.