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| Frost Bank Tower (2004) (33 floors) (401 North Congress Ave.) with four inward leaning facets at crown. Austin, TX. Style: Postmodern. Architect: HKS Inc.. | Frost Bank Tower unique shape. Austin, TX. | Frost Bank Tower crown detail. Austin, TX. | Frost Bank Tower crown detail. Austin, TX. |
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| One Congress Plaza (1987) (30 floors) (111 Congress Ave.) with triangular upper floors. Austin, TX. Style: Postmodern. Architect: HKS Inc.. | One Congress Plaza overall shape. Austin, TX. | One Congress Plaza ground floor structure. Austin, TX. | One Congress Plaza sunken gardens. Austin, TX. |
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| 300 West Sixth Street (2002) (23 floors) (300 West Sixth St.) with barrel roof. Austin, TX. Architect: HKS Inc. with Page Southerland Page. | 300 West Sixth Street facade. Austin, TX. | Thanksgiving Tower (1982) (50 floors) (1601 Elm St. on Thanks-Giving Square). Dallas, TX. Architect: HKS Inc.. | 225 South Sixth Street (1992) (56 floors). Minneapolis, MN. Architect: HKS Inc. + Pei Cobb Freed & Partners. |
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| 311 South Wacker Drive (1990) (65 floors) from Sears Tower. Chicago, IL. Architect: Kohn Pedersen Fox + HKS Inc.. | Energy Center (1984) (39 floors) (1100 Poydras St.). New Orleans, LA. Architect: HKS Inc.. | Bank One Center (1987) (60 floors) (1717 Main St.) to left of 1700 Pacific Avenue. Dallas, TX. Architect: HKS Inc. + Johnson/Burgee Architects. | Dominion Tower (1987) (26 floors) (999 Waterside Dr.). Norfolk, VA. Architect: HKS Inc.. |
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| American Century Towers (1991&94) (15 floors) (4500 Main St.) near Country Club Plaza. Kansas City, MO. Architect: HKS Inc.. | Wells Fargo Center (1998) (26 floors) (299 S. Main St.). Salt Lake City, UT. Architect: HKS Inc.. | CNL Center (1999) with roof-top rotunda. Orlando, FL. Architect: HKS Inc.. | CNL Center (1999) (14 floors) (450 South Orange Ave.). Orlando, FL. Architect: HKS Inc.. |
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| Park Tower (2000) (67 floors) (800 North Michigan Ave.). Chicago, IL. Architect: Lucien Lagrange Architects + HKS Inc.. | Ameriprise Financial Center (2000) (31 floors) (707 2nd Avenue South). Minneapolis, MN. Architect: HKS Inc.. | Aladdin Hotel & Casino (2000) (39 floors) (3667 Vegas Blvd. South). Las Vegas, NV. Architect: HKS Inc. + Nadel Architects Inc.. |
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