This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Pennsylvania's own Roswell-style UFO mystery.

A larger than life statue of a steelworker keeps watch over a closed steel mill.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

This Old Testament garden features 100 plants from biblical times.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

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

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

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

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

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

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

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

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

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.