Portland, Oregon's 'City of Roses', is home to copious parks and gardens, including the spreading Washington Park and its illustrious Japanese Garden. Divided into east and west regions by the Willamette River, Portland is a tranquil city with many various and historic areas. Major tourism districts in the conurbation include Chinatown, Old Town and the trendy Lloyd District, containing America's first chief shopping mall. This cool city -- home to chic cafés, luscious dining spots and plenty of adventure -- has stride into the tourism limelight. Portland has made top 10 lists for being a premiere bicycling metropolis and for its environmentally aware mindset.