We always dream of getting in the underground tunnels like they do in the movies and the Casemates of Maastricht is one such place that can make this dream come true. Located in the university city of Maastricht on the southern tip of the Netherlands, this site is a famous tourist attraction that encompasses an 18th-century fortress & its surrounding cave network. Sure to give you a historic experience, this network dates back to the period between 1575 and 1825 and were used to approach and surprise the enemy from under the ground during times of siege. A beautiful site, this place is ideal to explore with your family and friends and is open between early morning till late evening.