This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The whole world in one water tank.

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

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

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

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

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

One of the only memorials dedicated to journalists who died in combat.

Built by the patriotic residents of Boonsboro in a single day.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

The smallest covered bridge in Maryland.

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

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

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

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

This four-story steel sphere in Maryland was used to test biological weapons.

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

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

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.