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

Historic barracks utilized during both the Revolutionary War and the Civil War.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

An abandoned church gets a second life as a massive beer hall and event space.

A hidden alley in urban Baltimore is a haven for graffiti artists.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

This memorial honors five journalists who were killed in a mass shooting in 2018, and affirms the importance of the first amendment.

This statue honors the author's groundbreaking family story.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

Designated as an Underground Railroad research site.

Named for a Greek oracle that interpreted the words of Zeus, this beautifully-restored manor home was once home to the architect of the Marshall Plan.

The only U.S. Senator to die on the field of battle is buried in San Francisco but memorialized at Balls Bluff Regional Park.

A well-worn trail through thick woods in northern Montgomery County leads to an old schoolhouse.

One of the last schoolhouses constructed in the early 20th-century still standing in Montgomery County.

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

This suburban park recalls the history of a famous tavern. Despite the name, it's no ordinary place!

The whole world in one water tank.

One of only two sites in the United States containing the remains of Buddha.

Using a massive antenna made up of five miles of wire, two scientists tuned into organic radio waves from the planet Jupiter.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

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.

The first national memorial to honor all women suffragists stands on land where suffragists were once imprisoned.