Graphic Maps - Map of the Week Page Designed for a web site, this map locates a series of eye clinics in the Portland, Oregon area. When a user clicks on a location, a detailed map of that office appears. Other helpful pages on WorldAtlas What and Where are the Seven Seas? The WorldAtlas List of Geography Facts Latitude and Longitude Facts The 5 Oceans of the World - Maps and Details Trending on WorldAtlas The Most Dangerous Cities in the World The 10 Smallest Countries In The World The Largest Countries in the World The 10 Largest Cities in the World The Seven Wonders of the World The Most Popular Sports in the World The 10 Smallest Countries in Europe What is the Difference Between Republicans and Democrats? 29 Largest Armies In The World This page was last updated on August 13, 2015.