This striking Victorian Home with its 113-foot turret is best known as the site where abolitionist John Brown was executed in 1859.

A giant time capsule not scheduled to be cored until 2040.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

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

Once America's tallest structure, now a Baltimore landmark.

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

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

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

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

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

Once the center of a thriving early Black community called Martinsburg.

The only public school for Black children in the region from 1895-1936.

Built in 1815, the stabilized ruins of the grist mill and sawmill are now gated, but interpretive displays on the features and functions of the mill preserve its history.

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

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

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.

An amazing example of Federal-period architecture, truly unique to this region of the state.

The smallest covered bridge in Maryland.

First built around 1848, this bridge was destroyed by arson, but original timbers are included in the replacement.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.