Abstract: A monument assembly contaiing a monument attached to a base. The base is in the shape of an open container, and its walls (and the walls of the monument) are each from about 0.5 to about 1.0 inches thick and are comprised of at least about 90 weight percent of ceramic material. The monument is an integral assembly containing an interior chamber; it contains a device for charging water to the interior chamber, a device for removing water from the interior chamber, and at least one device for for removably attaching the monument to the base.