Dark Skies Initiative | McDonald Observatory
Zoo Lights - Topeka Zoo & Conservation Center -THANK YOU!
Lightning - Wikipedia
Why Are Some US Street Lights Turning Purple? - Foundation for Economic Education
Los Angeles Zoo and Botanical Gardens
Lighting Books – The IES Webstore
Competition - IEEE Smart Lighting
Advancing responsible outdoor lighting | DarkSky International
Winterlights in Massachusetts - The Trustees of Reservations
Responsible outdoor lighting | DarkSky International
Powell Gardens | Kingsville MO
PNC Festival of Lights - Cincinnati Zoo & Botanical Garden
Holiday Lights Spectacular - Roger Williams Park Zoo
ZooLights | Phoenix Zoo
Menorah Lighting at Willow Bend - ChabadPlano.org
Home - National Christmas Tree Lighting
Holiday Light Displays | VisitMaryland.org
Trail of Lights | Denver Botanic Gardens
10 Holiday Light Displays in Georgia (updated 2022)
City Park Lighting | Hagerstown, MD - Official Website
Light Up The Lake | Navy Pier
Home - Illuminating Engineering Society
Electric light - Wikipedia
Festival of Lights - Powell Gardens
