Apparently yes, http://en.wikipedia.org/wiki/Sagan_Planet_Walk http://en.wikipedia.org/wiki/Sagan_Planet_Walk There are a multitude of others all around the wo

Apparently yes, http://en.wikipedia.org/wiki/Sagan_Planet_Walk http://en.wikipedia.org/wiki/Sagan_Planet_Walk There are a multitude of others all around the world: http://www.waymarking.com/cat/details.aspx?f=1&guid=52fe4b51-45ab-4d5b-a168-c96cdac65462&st=2 http://www.waymarking.com/cat/details.aspx?f=1&guid=52fe... The one close to me is in Helsinki-Espoo: http://www.waymarking.com/waymarks/WM8AJ4_Ursa_Model_of_the_Solar_System_Sun_Helsinki_Finland http://www.waymarking.com/waymarks/WM8AJ4_Ursa_Model_of_the_... But this one's slightly bigger, scale is o to billion. You can still see the Sun from Neptune, if you have binoculars (4487 meters, the Sun is 140cm in diameter).