Playful installation outside a Pittsburgh art gallery might feature the world's longest historic-plaque text.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

A hidden pet cemetery honors the generations of canine companions from one of Pittsburgh's most famous estates.

The oldest continually operating golf course in the United States.

Priceless space junk on display in front of a local Dairy Queen.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

A grandiose title could not save this mercantile community from obscurity.

A retrofuturistic art installation in the Pittsburgh Airport.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

A storybook church made from a mesmerizing medley of multi-colored stones.

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

The aggressively banal name of this underground fortress of bureaucracy does little to evoke its truly surreal existence.

After covering almost 1.5 billion acres, the survey's still not finished.

Antiques and recycled art surround this cabin designed to resemble a 19th-century schoolhouse.

There is beauty and history in the ruins of this former company town.

The first burial place of the Harmonist Society, a utopian community for which the surrounding town of Harmony is named.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

Check out the 125-pound chocolate reindeer in the back of this candy shop.

A nine-hole golf course in Pennsylvania hasn't charged a greens fee since its founding in 1914.

One of the oldest surviving lock houses on the Ohio River.