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

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

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

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

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

Hundreds of protractors affixed to surfaces all over the city.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

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

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

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

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

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.

An outlet for connecting to memories of lost loved ones and saying goodbyes you never got to say.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

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

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