Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

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

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

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

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

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

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

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

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

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

This Old Testament garden features 100 plants from biblical times.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Exact replica of the ancient monument, but much, much lighter.

The whole world in one water tank.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

This abandoned Victorian-style house was built in 1884.