The Caves of Maastricht are a network of underground tunnels located in the city of Maastricht, Netherlands. These caves were formed from the extraction of limestone during the Roman era and have a rich history that dates back thousands of years. They are known for their unique geological formations and extensive passageways, which stretch for over 200 kilometers. Today, the caves serve as a popular tourist attraction, offering guided tours that showcase their historical significance and natural beauty. Visitors can explore the fascinating artwork, ancient inscriptions, and remnants of past activities, making the Caves of Maastricht a captivating destination for history and nature enthusiasts alike.