Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

This national landmark is also home to a massive treehouse.

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

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

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

In which a local geological marvel becomes a quaint roadside attraction.

This cast-iron canine is a beloved icon among the people of Johnstown and ice hockey fans everywhere.

Steepest flood safety railway in the entire world.

Memorializing an American tragedy of massive proportions.

"Where the ducks walk on fish."

The world’s first penitentiary, meant to be humane, drove men insane.

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

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

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

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.