Built in 1897 as the city's public library, and transformed into a showplace for visual and performing arts in 1991, the Chicago Cultural Center is an overlooked civic treasure. Its basic beaux arts exterior conceals a sumptuous interior of rare marble, fine hardwood, stained glass, polished brass, and mosaics of Favrile glass, colored stone, and mother-of-pearl inlaid in white marble. The crowning centerpiece is Preston Bradley Hall's majestic Tiffany dome, said to be the largest of its kind in the world.

The building also houses one of the Chicago Office of Tourism's visitor centers, which makes it an ideal place to kick-start your visit. If you stop in to pick up tourist information and take a quick look around, your visit won't take longer than half an hour. But the Cultural Center also hosts an array of art exhibitions, concerts, films, lectures, and other special events (many free), which might convince you to extend your time here. A long-standing tradition is the 12:15pm Dame Myra Hess Memorial classical concert every Wednesday in the Preston Bradley Hall. Other ongoing programs include a monthly cultural festival -- which highlights a different city or country over a weekend with art, theater, and film.

Guided architectural tours of the Cultural Center are offered Wednesday, Friday, and Saturday at 1:15pm. For information, call tel. 312/744-8032.

Allow a half-hour.