The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

A relic of the Cold War in Chicago.

Location of the Real World's disastrous, and protested, eleventh season.

"No writer ever gave more to a city and got back less.”

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

After the owner of this Art Nouveau home died, it was turned into a museum displaying a lifetime dedicated to art.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This giant sculpture made of trash is a critique of society's wastefulness.

The history of drinking is told through 1,800 cups, chalices, and glasses at this exhibit.

A moody and picturesque riverside ruin overgrown with vegetation.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

Where Saint-Martin ends and Sint Maarten begins (or vice versa).

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.