- Excellent Condition. Only put together once. - Complete - Smoke-free home - Finished Puzzle Size: 16" x 20" Many stories and movies have been made about the lost city of Atlantis, a mythical Island nation. Growing up didn’t you play with all the neighborhood kids having the greatest of adventures, discovering new worlds? Adventurers and scientists have searched for and tried to prove the existence of Atlantis for thousands of years. Did it really exist? We may never know. Let your imagination swim below as we fantasize the beauty of this underworld city with its lush island, exotic sea life, and a city of gold.