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

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

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

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

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

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

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

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