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

A giant ball made from pieces of an old Jeep.

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

This oversize piece of novelty cookware once cooked the largest pancake in the world.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

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

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

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

"Where the ducks walk on fish."

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

The last street in Pittsburgh that's paved with wood.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

An office built to look like a giant basket.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

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

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

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

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