Summer hours vary for galleries, particularly over the Labor Day weekend, and should be checked by telephone.

Most museums and galleries are closed on Christmas Day; holiday hours vary and should be checked by telephone.

Many are open only on Saturdays and Sundays; the hours vary and should be checked by telephone.

Most galleries are closed today through Monday for Christmas, but hours vary and should be checked by telephone.

( Individual show closings can be checked by telephone or through the Web site.)

Most galleries are closed on Sundays and Mondays, but hours vary and should be checked by telephone.

Summer hours vary for galleries and should be checked by telephone.

Most galleries are closed on Sundays and Mondays, but hours vary, especially over the Labor Day weekend, and should be checked by telephone.

Most galleries are closed on Sundays and Mondays, but hours vary and should be checked by telephone; many will be closed tomorrow for the holiday weekend.

Most galleries are closed on Sundays and Mondays, but hours vary and should be checked by telephone, especially this weekend because of the New Year's holiday.