Arlington Cemetery exhibit dedicated to death and grieving.

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

A sacred collection of indigenous rock art.

An outlet for connecting to memories of lost loved ones and saying goodbyes you never got to say.

Honorable ranks graduating from the prestigious Army War College work hard to maintain their high standards of honor and erase those who don't.

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

The oldest continually operating golf course in the United States.

No one knows who painted this mysterious mural in a Penn State basement.

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

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

The humble field where the first Major League Baseball game was played.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

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

For decades, it has disappeared and reappeared as water levels rise and fall.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Journey through a collection of over 35,000 Halloween items from all generations.

The Home and murder site of the witch of Rehmeyers Hollow.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.