A field of nothing but boulders which resembles a giant's gravel driveway.

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

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

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

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

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

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

Pennsylvania's own Roswell-style UFO mystery.

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

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

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

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

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

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

There aren't too many operational funiculars around, but Pittsburgh has two!

Yo, Adrian!

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This Old Testament garden features 100 plants from biblical times.