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 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 8-14: due to construction 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.