A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Step inside Lucy, the world's largest "elephant."

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

One of the oldest living oak trees in the Southeast.

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

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

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

These disused steel furnaces are now haunting ruins that may one day be a national park.

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

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

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.

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

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

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

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

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