The modern-day Seattle skyline is instantly recognizable, not least because of the futuristic Space Needle, but this storied skyscraper has been piercing the clouds over the Emerald City since 1914. When it opened, it was among the tallest buildings in the United States, soaring to more than 460 feet.

It's got some bootlegging history too – rumor has it that rum runner Roy Olmstead had a remote broadcasting studio at this tower, from which he and his wife would send out secret messages. Now it serves as an observatory, with a cool Prohibition-themed cocktail bar.

Then and now: how city skylines have changed over time

The most historic building in every state