The largest earthwork effigy in the world.

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

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

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

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

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

Where the "World Pinball Champion” is crowned.

This public park was the site of the largest civilian disaster of the Civil War.

Hundreds of protractors affixed to surfaces all over the city.

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

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

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

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

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

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

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

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.