A full-service gas station known as the oldest in America.

This collection honors the iconic, and proudly American lighter that just won't quit.

This dramatic rail curve was once the target of a failed Nazi attack.

Hear the roar of the engines and the crowd at this nearly 90-year-old Pennsylvania track.

Witness these plains giants that nearly became extinct in the late 1800s.

See this covered bridge's unique structure and enjoy a nearby lake-side loop trail.

Remember and reflect at this 9/11 memorial site.

A collection of bite-sized buildings creates a magical mini village in the Pennsylvania mountains.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

Memorializing an American tragedy of massive proportions.

Steepest flood safety railway in the entire world.

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

Rocky outcrops containing overhangs, caves, fissures, clefts, and alcoves that invite exploration and scrambling.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

The site where nine miners were trapped underground for over 77 hours in 2002.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

The last funhouse of its kind, where guests enter through the mouth of an 80-year-old blue whale.

This icon of the Atomic Age now lays dormant.

The Paul Bunyan of the steel industry.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.