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

This icon of the Atomic Age now lays dormant.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

A Civil War Museum with some notable medical antiques.

An old dining hall now serves up ghost stories for lusty locals.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

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

This secluded walking trail is a hidden gem of a Pittsburgh park.

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

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

Nothing says indulgence like a 1,500-pound chocolate castle.

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

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.