St. Louis, Mo.

St. Louis, Mo.

St. Louis, Mo.

St. Louis, Mo.

Eero Saarinen's Gateway Arch is among the best-known projects that engineer Hannskarl Bandel worked on. Others include Marina City in Chicago and Toronto City Hall.

St. Louis, Mo.

The Old Post Office Architect: Trivers Associates, St. Louis Developers: DESCO Group and DFC Group Inc. Completed: 2006 Cost: $24.5 million Designed by Alfred B. Mullet and completed in 1884, the 245,000-square-foot building's tenants now include the Missouri Court of Appeals, a branch of the St. Louis Public Library, and the St. Louis Business Journal.

St. Louis, Mo.

Skyhouse Architect: Metro.Arch, Niles, Ill. Developer: WTD Venture Expected Completion: 2010 Estimated Cost: $67 million Construction will begin on this 22-story downtown highrise in early 2008. The project includes ground-floor retail, a three-story parking deck, 166 residential units, and an amenities level on the 19th floor.

St. Louis, Mo.

14th Street Mall Revitalization Architect: Rosemann & Associates, St. Louis Developers: Regional Housing Community Development Alliance and Old North St. Louis Restoration Group Expected Completion: 2009 Estimated Cost: $26 million Redeveloped in the '70s as a pedestrian mall, this Northside neighborhood conversion will include 78 mixed-income apartments and 26,000 square feet of commercial space.

St. Louis, Mo.

Chaifetz Arena Architect: Mackey Mitchell Associates, St. Louis Developer: Saint Louis University Expected Completion: 2008 Estimated Cost: $83.2 million This 280,000-square-foot, 10,600-seat arena in midtown will provide a home court for the Saint Louis University Billikens basketball team and a venue for other events.

St. Louis, Mo.

Washington University School of Medicin, Farrell Learning and Teaching Center Architect: HOK, St. Louis Developer: Washington University Completed: 2005 Cost: $30 million The 108,000-square-foot public face of Washington University's renowned medical school offers state-of-theart instructional and gathering spaces. It received American School & University's 2006 Outstanding Design Award.

St. Louis, Mo.

ST. Louis Art Museum Expansion Architect: David Chipperfield Architects, London Developer: St. Louis Art Museum Expected Completion: 2011 Estimated Cost: $125 million In 2008, the St. Louis Art Museum will break ground on an addition to its Forest Park building, designed by Cass Gilbert for the 1904 World's Fair. The new structure will provide 82,000 square feet of galleries and public space.

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