 In 1986, remains were discovered of a 2nd-century AD Jupiter column as part of an enclosed shrine, as well as the remnants of a former Roman castrum dating back to c. 313 AD.The preserved archaeological excavations can be visited in the basement of Hotel Derlon ("Museumkelder Derlon"; free of charge, after obtaining permission from the hotel staff).The European Institute of Public Administration (EIPA), an EU-affiliated independent institute carrying out training and research on public administration and European policies, is located at Onze Lieve Vrouweplein.