An ancient iron pillar in Delhi that seems to be rustproof.

Detroit housing collective working to create an "environment for revolutionary change."

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The only surviving prototype for Buckminster Fuller's house of the future.

Astounding collection of coin-operated games and automata.

World's largest Christmas store.

Largest magic museum in the United States with more than half a million pieces of memorabilia.