With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The land is home to swimming ponies and a legendary 18th-century treasure.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

A throwback to 1980's gaming nostalgia.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

Constructed by the younger brother of George Washington.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Look closely and you’ll notice that the color changes a third of the way up the tower.

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

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

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

This Federal-style plantation house was once visited by Abraham Lincoln to meet with generals during the Civil War.

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

Exact replica of the ancient monument, but much, much lighter.

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

This plaque celebrates the sister city relationship between Fredricksburg and Fréjus.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.