An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

The oldest known university in the world is in Fez, Morocco.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Traditional 11th-century outdoor tannery.

The other side is actually green.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

An idle pastime becomes a record holder in Boys Town, Nebraska.

The world's largest private aircraft collection.

Like Mardi Gras, only everyone's a pirate.

A monument celebrating the idea of reaching inaccessible places.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

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

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!

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Where commuters walk through remnants of an ancient Greek necropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

The world's largest wooden structure.