The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

The legacy of a wealthy executive and his wife, this little-known art museum features works by Picasso, Monet, Renoir, Cezanne, and more.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

The only tennis court that falls under the jurisdiction of the central bank.

The "Key of Keys" for Washington, D.C. and the apocryphal landing place for the military campaign that started George Washington's career is now at the bottom of a well.

The rogue roots are gradually consuming some of the historic marble grave markers.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

One of the oldest standing structures in Montgomery County, Maryland.

This heritage museum highlights the importance of the dairy cow as a vital part of rural Maryland's past, present, and future.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

Dating to 1793, this is the oldest building in Poolesville.

A Civil War Museum with some notable medical antiques.

According to local history, this cast-iron canine was nearly melted down for bullets during the Civil War.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

Home of the only civilian casualty at the Battle of Gettysburg.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

Once damaged by Hurricane Agnes, this bridge is now on the National Register of Historic Places.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This advertisement for talcum powder was painted on the rock face and has since defied removal.