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

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

This abandoned Victorian-style house was built in 1884.

These small house replicas have stood proudly since the 1950s, even as the property has changed hands.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

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

Endless rows of boxes of paper records line the hallways of the archaic federal facility where guns are traced.

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.

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

Time travel with sweets across history at this research-based candy store.

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

One of the oldest Catholic churches in the U.S., situated just east of Gettysburg.

Intricate, eye-catching, award-winning rubber sculptures liven up this Pennsylvania town.

This general store is more than a century old and home to various oddities and antiques.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

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

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

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

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

A diorama of the Civil War, fought by cats.

A well-preserved quarry and six of eight continuous burning pot kilns used to make burnt lime and crushed stone are highlights of the self-guided walking tour in Fountain Rock Park.