This historic stadium was built to host the first-ever FIFA World Cup.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

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

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

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

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.

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

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

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.

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

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

A beautiful young girl said to have been buried alive in her coffin…

The house of a former Argentinian president stands protected within a large glass case.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

A reproduction of earth's many biomes.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Pennsylvania's own Roswell-style UFO mystery.

Hidden in the hills is a mysterious stone structure, known only to a few.