This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

This historic furnace was once used to produce cannonballs during the Civil War.

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

In this cemetery stands the country's first public crematorium.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

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

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

Narrow gorges and deep pools created by long-ago glaciers.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

The first of Lancaster's "rural cemeteries."

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

The final resting place of the Hollywood star who came to a tragic end.

One Pittsburgh musician's decades-in-the-making memorabilia collection is on display at this rock-n-roll curio shop.

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

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

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

This public park was the site of the largest civilian disaster of the Civil War.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.