A proposed new skyscraper in downtown San Francisco would be the tallest building in the U.S. outside of New York and Chicago - bumping Philadelphia and Los Angeles down in the rankings. At 1,225 feet ...

Explore the most insane megaprojects that were never built, including the dream airport above New York, the most iconic hotel in the world, the mile-high Illinois skyscraper, America's tallest failed ...

The prosperity of early 20th-century America resulted in a boom of skyscrapers that still tower over cities across the country today. Focusing on the character and craftsmanship on display at the top ...