A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

A nine-hole golf course in Pennsylvania hasn't charged a greens fee since its founding in 1914.

Welcome to the home of the world's largest typewriter company.

In use from 1742 to 1910, only flat headstones were allowed in this cemetery.

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

This restored 18th-century house was once the home of Lititz's first tobacconist.

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

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

A sycamore tree grown from seeds that traveled to the moon.

A sacred collection of indigenous rock art.

This national landmark is also home to a massive treehouse.

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

One of the world's oldest continually operating bookstores.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

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

The oldest automobile museum in the United States.

The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

Hidden behind an empty field resides this early 19th-century cemetery.

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

These small house replicas have stood proudly since the 1950s, even as the property has changed hands.

Home to an eclectic collection of over 200 vintage motorcycles, Americana, and some of the most extraordinary antiques from all around the world.

Originally a cemetery, this city park remains speckled with a handful of scattered gravestones.

America's oldest drive-in movie theater has been in continuous operation since 1934.