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A protected national monument, a water mill dating from 1502, original for pressing oil. These days, there's a bakery and a sewing machine shop in the building, and corn is ground by volunteers.
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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 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 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.
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