water-wise gardens in Washington state

Where in Washington State can I find examples of public gardens designed to be drought-tolerant xeriscapes?

There are Master Gardener Demonstration Gardens around the state, such as Riverfront Park Demonstration Garden and others in Wenatchee. There is also a WaterWise demonstration garden in Woodinville.

There is a water-wise garden in the Bellevue Botanic Garden.

There is a native plant garden maintained by the Tacoma Garden Club at Point Defiance Park.

Seattle Tilth maintains several demonstration gardens, including the Good Shepherd Center in the Wallingford neighborhood in Seattle and Bradner Gardens Park at 29th Ave. S. and S. Grand Street, in south Seattle. While not exclusively xeriscapes, their gardens employ water-saving techniques.