Visitors to Chicago's third tallest building can visit the 94th-floor observatory for a spectacular view of the city.

Unique architecture for a building complex as its own self-contained community.

This white, terra-cotta landmark was built in 1922 as headquarters for the Wrigley chewing gum company.

Former site of the Chicago Public Libary, this lovely building is known for its exquisite Tiffany mosaics, especially in its performance venue, Preston Bradley Hall.  It provided changing exhibits...

Considered a miracle of engineering at the time of its construction.  Most of the floors consist of condominiums.  Its observation tower affords a quite different view of the downtown Chicago area...

Beautiful example of early Chicago style skyscraper architecture, renovated as a boutique hotel.

My wife and I attempted to visit the SkyDeck on Saturday, August 9, 2009 in the afternoon.  The ensuing experience was like a death march that only finally ended when we fled in disgust after waiting...

The neo-gothic tower's signature is the exterior collection of stones from other famous edifices, like the Parthenon, St. Peter's Basilica, Notre Dame, the White House and most recently, the Berlin Wall.

Art Deco skyscraper recently renovated in its new incarnation as a Hard Rock hotel.

The view from the bridge is one of the best vistas the city has to offer.  The friezes on the bridgetender towers are well executed but the subject matter would nowadays be considered politically...

Once the tallest building in the city, the Auditorium now houses a performance space and the campus of Roosevelt University.

A historic building that houses two theaters, several offices, shops and music studios.

Curved, glass covered office building at the bend in the Chicago River in the loop.

An art deco masterpiece, this is the home of many of the city's financial movers and shakers.

The largest commercial building in the world. First two floors are essentially a mall, and the rest is business offices.

One of the country's great historic railway stations.  The brightly lit and airy dome of the main hall contrasts with the star-studded ceiling of Grand Central in New York.

This Frank Lloyd Wright masterpiece, completed in 1909, is a premier example of his Prairie School design.