A miniature golf course crafted inside the world's largest simulated cave.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This small-town pizzeria won the Hollywood lottery.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

A retrofuturistic art installation in the Pittsburgh Airport.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

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

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

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

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

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

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

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

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

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

These disused steel furnaces are now haunting ruins that may one day be a national park.