Information for visitors Please note that there are some restrictions due to the coronavirus. Find more information here. Opening hours exhibition and garden Mon.-Sun., 10 a.m. - 6 p.m. last admittance 15 min. before closure free entrance public guided tours for individual visitors (in German) every hour, in front of the house (not in the exhibition) guided tours and seminars for groups (10 persons up) reservation required, more information here. Joseph Wulf Library: Mon.-Fri., 10 a.m. - 6 p.m. last admittance 15 min. before closure public reference library The library is free of charge. closing days: Saturdays and Sundays March 8 Good Friday May 1 Ascension Day October 3 December 24-26 December 31 January 1 Admission The admission is free of charge. The exhibitions in the house and in the garden are barrier-free. Some parts of the garden are not accessible for wheelchairs. The educational department offers guided tours and seminars. Reservation in advance is required - see here for more information. The educational programs are free of charge for school groups, apprentices and students. Adults pay 3 Euro per person. We ask groups larger than 10 personen to register in our office in advance as early as possible: office(at)ghwk.de or +49 30 80 50 01 0. The office is not occupied on Saturday and Sunday.