A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Could it have picked a better place to land?

A piece of baseball history is preserved in a Pittsburgh parking lot.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

A beautiful oddities shop crammed with strange and morbid curiosities.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

This Old Testament garden features 100 plants from biblical times.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Pittsburgh's literal underground railroad.

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

The Paul Bunyan of the steel industry.

This icon of the Atomic Age now lays dormant.

The world's largest piece of copyrighted artwork.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

A men’s restroom became a sandwich shop.

The site of Paul Revere's historic two lantern warning.

A hidden courtyard houses early 20th-century plaster masterpieces.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

This Native American settlement dates back to the Pueblo II period.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.