Cities: Seattle, USA Surrounded by evergreen rainforest and crystal blue waters, this seaport city sparkles on the Puget Sound. Seattle is a fusion of modern skyscrapers, artisanal mom-and-pop shops, and acres upon acres of parkland. Be sure to check out the revamped Space Needle (with a brand-new rotating glass floor in the restaurant) and the world-famous Pike Place market. Image Source: Getty / espiegle