Holidays tours of the Nationality Rooms in the Cathedral of Learning Commons Room, 4200 Fifth Ave., Oakland, continue through Jan. 15 (except today, Friday and Saturday, and Jan. 1).

Self tours are available without reservations from 9 a.m. to 2:30 p.m. Mondays through Saturdays and 11 a.m. to 2:30 p.m. Sundays.

From Sunday through Dec. 31, the rooms will be open for guided tours beginning at 10 a.m. and filled on a first-come, first-served basis. The last tour begins at 2:30 p.m.