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

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

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

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

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

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

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

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

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

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

This massive redwood tree has a hole in the base big enough to drive through.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

See massive fossils that are over 200 million years old in northeastern Arizona.

Geothermal waterfalls in Tuscany.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

Quite simply the largest tree in the world (by volume).

Pompeii's less famous neighbor is still revealing her secrets.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

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