This vintage shopping center has more than 225 vendors selling everything from sports memorabilia to century-old furniture.

This vintage short line in Amish country runs passenger steam train excursions and still hauls freight.

A candle shop hiding a haunted basement once used as a monkey research lab.

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

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

Abandoned blast furnaces are an enduring reminder of Scranton's once booming iron business.

This decommissioned surface-to-surface missile resides outside the American Legion Post in Pennslyvania.

An underground blaze turned this village into a ghost town.

Grand architectural relics gain a new life in this Pennsylvania warehouse.

One of the world's oldest continually operating bookstores.

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

This national landmark is also home to a massive treehouse.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

These hooded graves are the only of their kind in the United States.

A diorama of the Civil War, fought by cats.

Narrow gorges and deep pools created by long-ago glaciers.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

A field of nothing but boulders which resembles a giant's gravel driveway.