A white oak with property rights.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

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

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

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

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

This public park was the site of the largest civilian disaster of the Civil War.

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 largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

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

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

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

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

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

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

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.

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

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

This massive, ancient stone was disassembled and then put back together again.

This Toronto garden collects stares and tchotchkes in equal measure.