American University Museum, DC

Arlington Cemetery, VA

Art Museum of the Americas, DC

Artisphere, VA

Beall-Dawson House, MD

Bethune (Mary McLeod) House, DC

Brookside Gardens, MD

Cylburn Arboretum, MD

Douglass (Frederick) House, DC

Folger Shakespeare Library, DC

Fondo del Sol, DC

Ford's Theatre, DC

Friendship Firehouse Museum, VA

Gadsby's Tavern Museum, VA

German American Heritage Museum, DC

Hillwood Estate, Museum, and Gardens, DC

Historic Alexandria History Center and Museum Store, VA

Howard University Museum, DC

International Spy Museum, DC

Joshua Tree National Park, CA

Kenilworth Aquatic Gardens, DC

Koshland Science Museum, DC

Los Angeles County Arboretum, CA

Los Angeles Zoo, CA

Lyceum, VA

Meditation Museum, MD

Mission San Luis Obispo de Tolosa, CA

National Electronics Museum, MD

National Museum of Health and Medicine, DC

National Museum of Women in the Arts, DC

Natural History Museum of Los Angeles, CA

Phillips Collection, DC

Sixth and I Historic Synagogue, DC

Small Jewish Museum, DC

Stabler-Leadbeater Apothecary Museum, VA

Sumner (Charles) School, DC

Textile Museum, DC

United States Navy Memorial and Naval Heritage Center, DC

Watts Towers Arts Center, CA

Other: