The National Park Service’s best-kept secret with views that rival any in D.C.

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

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

There’s a hidden military meme engraved on the World War II Memorial.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

A terrace reminiscent of Rome's Spanish Steps is tucked away in a little park in Washington, D.C.

An old pay phone rewired to play local bird calls and songs at the press of a button.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

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

This Pennsylvania structure, the oldest building in Gettysburg, was once a stop on the Underground Railroad.

A painfully obvious spy house sits right across the street from the Russian Embassy.

This is the spot where the bloodiest battle in the American Civil War may have started.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Experience the pivotal Civil War battle at this interactive museum.

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.

Every drop of D.C. tap water flows through this old waterworks.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

Hidden within an idyllic suburban garden is a memorial dedicated to the victims of a terrifying spree of killings committed on U.S. soil.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.