In 1899, Gaithersburg was selected as one of 6 international spots for the development of an International Latitude Observatory as part of a job to evaluate the Earth's wobble on its polar axis. The Gaithersburg Latitude Observatory is (as of 2007) the only Countrywide Historic Landmark in town of Gaithersburg. http://lifecoachgaithersburgmary60593.newsbloger.com/1712405/little-known-facts-about-find-a-life-coach-in-maryland