Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The palatial McDonald's that inspired Wesley Willis.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Man-made geyser that rises to the exact height of the Gateway Arch.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

These pretty kitties killed and ate as many as 135 railway workers.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A display of magnificent stained glass windows is the first exhibit of its kind.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

European castle ruins in an American state park are actually the product of death and grief.

Erosion and time have created a naturally-formed water park.

Giant granite rocks standing end-to-end like a train of circus elephants.

A kitschy, creepy St. Louis mainstay.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.