Fill 'er Up? What to Do with Chicago's Giant Hole

The Chicago Spire isn't going anywhere, so the Chicago Architecture Club asks, "What do we do instead?"

In keeping with the construction-site retro-fit trend (from New York to San Francisco) the Chicago Architecture Club just launched a contest for proposals to do something--anything!--with the stalled Chicago Spire's giant foundation site.

Calatrava's 2,000-foot-tall tower would be the country's tallest. Instead, it's a 76-feet-deep, 110-feet-wide hole on Lake Shore Drive. Construction was...