Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

This jail which was in service for over a century is now open for curious visitors.

A local prank turned town icon.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

This elaborate towering structure was once famed for its revolutionary height.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

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

A failed piece of Orientalism has become the proud symbol of a community.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

In the early 1800s, surgery was also a show.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Dr Barnes' $25 billion private collection of art and arboretum.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.