This historic estate was home to a girls’ seminary before housing Meadville’s first mayor.

This candy-striped tower is the farthest east you can go in the United States.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

Discover these whole-house works of art in Pittsburgh’s Troy Hill neighborhood.

This riverside restaurant delivers elegant dining in a historic 1901 train depot. 

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

A "haunted" landmark on the coast of Southern California.

Where the oil industry began.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

This steamer is known as "The ship that built Cleveland."

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

A giant ball made from pieces of an old Jeep.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

All that remains of one of the Civil War's more deadly POW camps is a simple flagstone.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

Collectors keep the story of Ohio Valley glassmaking alive.

Nothing says indulgence like a 1,500-pound chocolate castle.

A eight-foot-tall statue resides in the heart of Pennsylvania anthracite coal country.

The legacy of the Ohio-founded Fostoria Glass Company lives on in West Virginia.

One of the most popular brands of glass among collectors, the story of the A.H. Heisey & Company glassmaker is told in this Newark museum.

Constrained by time and topography, this civil engineering landmark was constructed 100 feet above Starrucca Creek over the course of a single year.

Indiana's first constitution was drafted in the shade of this elm tree in the summer of 1816.