First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

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

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.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

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

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.

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

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

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

This university transit system is a 1970's vision of the future.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

A beautiful hidden gem in central West Virginia.

The highest point in Maryland is only accessible by hiking through another state.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

Two insane asylum bodies embalmed by an amateur.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

This one-room cabin where the young colonel slept during the French and Indian War.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

A star fort along the C&O Canal in western Maryland that protected America in three wars.

Once damaged by Hurricane Agnes, this bridge is now on the National Register of Historic Places.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.