Heerlen lies east of Maastricht, close to the German frontier. In the time of Augustus the site was occupied by a Roman trading station called Coriovallum, situated at the intersection of two military roads. The European edition of the "Wall Street Journal" is published here, as well as a number of Dutch periodicals.
The city is home to the Glass Palace, a landmark building designed by well-known architect Frits Peutz. There are other notable buildings including a 12th century church and former prison tower.
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To the west of Heerlen is Voerendaal, around which were formerly numerous castles and country houses. Particularly notable is the 15th century Kasteel Cortenbach, which is still surrounded by its medieval moat.
The Geological Museum at Voskuilenweg 131, run by the National Geological Service, has a large collection of fossils found in the mines of southern Limburg.
St Pancratiuskerk, a Romanesque pillared basilica, shows both 12th and 14th century work. Over the choir is the square Rogues' Tower (12th C.), a relic of the old stronghold of Herle.