Valkenburg offers plenty of opportunities for everyone, for a pleasant stay! The open-air theatre Valkenburg is the oldest and most beautiful open-air theater in the Netherlands. It was built in 1916 to a design by the famous architect Pierre Cuypers. The theather is a special place where during the summer cultural history, art and nature come together and create a unique experience. In the Roman catacombs of Valkenburg you can visit a replica of the most beautiful parts of fourteen major Roman catacombs. Do you want to completely unwind during your stay in Valkenburg, spend a day for a visit at Thermae 2000.