Empire State Building

America's overall favorite building is the Empire State Building. Located in the heart of the Big Apple, it is one of the nation's most popular tourist attractions.At 1,454 feet tall, the skyscraper took a year and 45 days to build and was completed in 1931. It is the second-tallest building in the U.S. after Chicago's Sears Tower

The Petronas Towers are the world’s tallest twin towers, and were the

t buildings until the Taipei 101 building was completed in 2004.Location: Kuala Lumpur, MalaysiaConstructed: 1992-1998Height: Total 452m,Top floor 375mFloor count: 88Elevator count: 78The Petronas Towers still holds some world records though. The buildings were built on the world’s deepest foundations, at a mighty 120m deep, due to the depth of the bedrock. The towers also feature a skybridge connecting them, which is the highest 2-story bridge in the world at 170m above the ground.