The Tulum Ruins are the remnants of an ancient Mayan city located on the Caribbean coast of Mexico. This archaeological site is known for its well-preserved structures, including a large fortress wall and several temples. Tulum was a significant trading port and is one of the last cities built and inhabited by the Mayans before the Spanish arrived. Visitors to the Tulum Ruins can explore various buildings, such as the Temple of the Frescoes, which features murals depicting Mayan deities. The site offers stunning views of the turquoise waters of the Caribbean Sea, making it a popular destination for tourists interested in history and natural beauty.