Housed in the university planetarium, the thousand-strong collection of tiny towelettes includes a used one from the hosts of Car Talk.

Large one-man sculpture park in Michigan.

Concrete igloos standing across from what remains of the Michigan Central train depot.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

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