Postcard CZ-106857 ivona Czechia 9 Apr, 2011 7 days 286 miles perodaktil Croatia 16 Apr, 2011 Loading map... (717) Grand prismatic Spring, Yellowstone Park, USA klelk2 said: posted over 13 years ago The Grand Prismatic Spring in Yellowstone National Park! It is beautiful! You need to sign in to leave a comment!