Home to the deepest rift anywhere on Earth.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

10,000 flowered plants bloom in the City of Roses.

The unbelievably opulent home built for an infamous newspaperman.

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

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.