The Kyoto Imperial palace is the former residence of the emperor of Japan. The palace is situated in the Kyoto Gyoen park which is open for public.
The tour is very interesting, the use of all buildings are explained, the you can walk along the gardens and how the roofs are constructed is displayed with a model. You can not visit inside the buildings.
You have to make a reservation at the lmperial household agency for an one hour visit, same day visit are possible if it’s not fully booked. The reservations via internet book out very quickly, but they rare only a part of the possible reservation.