This tower from the 12th century had throughout history several functions, living tower for nobels, a court and prison tower. You can visit the inside on a guided tour from the VVV Heerlen.
The Schelmentoren in Heerlen is a Medieval Building that has served as a defendable living tower for the Here van Are and their successors. As part of the Landsfort Herle, it served as a prison tower. It is believed to be built on command of Theoderich van Are. What is certain is that the building existed in the 12th century.
© OpenStreetMap contributors
The main church in Heerlen built in the 12th century out of marlstone. This prominent church is still in use. During the opening times on Saturday guides give tours of the church.
Housed in the "Glaspaleis", a well-known and modernized glass building on the main market, this cultural institution usually has some exhibitions on display, and often free. As a multi-disciplinary cultural institution, it also hosts the city's main library, concerts, a music school and all kinds of workshops.
The Aambos is an old hilly forest in the center of Heerlen. There is a small zoo, that has deer and other animals. In the park is the caumer stream which if followed upstream will get you to the '"oliemolen"' (oil mill). At the start of the park you can see the cloister huize berge, just look at the bridge crossing the nearby mijnsteenweg.
This museum is built to encase the ruins of a Roman bathhouse which still is an archaeological dig site. You can learn all about how Romans bathed in their time, and about how the city of Heerlen developed. The museum also shows findings of Roman digsites in and around Heerlen. In front of the museum, there's a monument highlighting the old Roman crossroads.
Theater Heerlen