This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

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

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

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

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

A glittering Thai Buddhist temple in suburban Pennsylvania.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.