When San Francisco’s Hallidie Building opened in 1918, it represented a feat of engineering as well as an exuberant expression of design. Architect Willis Polk devised a seven-story glass façade for ...

The curtain wall, 2.3-miles long, 26-inches wide and around 60 to 65 feet deep, is designed to protect Las Palmas from flooding and allow the water to finally flow unimpeded to replenish the park ...