Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

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

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

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

The secret skeleton of a murdered nun was discovered in this church basement, but the scandal doesn't end there.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

Where most of the world's flypaper was made.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

The museum moved on, but the diorama remain.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.