Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

The oldest farmer's market in America is so ancient it was approved by the King of England.

An oil baron's wild paradise and the winner of an ill-fated air race.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

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

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

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.