This hidden treasure provides a charming access point along the south side of Baker Park.

A Civil War Museum with some notable medical antiques.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

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

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

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

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.

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

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

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

The smallest covered bridge in Maryland.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

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

This former asylum for Black Americans is haunted by its history of violence and racism.

This statue honors the author's groundbreaking family story.

The oldest military monument in the United States.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.