Tulum Ruins - Mayan ruins in Quintana Roo, Mexico. Taken on the 23/12/2012 at 15:38:59Hrs (2138GMT), using a Nikon D3100 camera with an AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR lens+52mm UV filter. The ancient Maya ruin of Tulum is located in the Mayan Riviera. In Maya, Tulum means "Wall", and the city was christened thus because it is a walled city; one of the very few the ancients ever built.