Where is Henderson?

Henderson - Thornton Henderson - Henderson Henderson - Altoona Henderson - Eureka Henderson - Long Beach Henderson - Cleveland Henderson - Florence Henderson - Kemmerer Airport Henderson - Fort Collins Henderson - Brighton Henderson - Elizabeth Henderson - Colorado Springs Henderson - Albin Henderson - Hereford Henderson - Hammond Henderson - Deerfield Henderson - Colombine Henderson - New Albany Henderson - Erie Henderson - Egbert Henderson - Hastings Henderson - Aurora Henderson - Water World Waterpark Henderson - Concord Henderson - Guildford Henderson - Jupiter Henderson - Meridian Henderson - Cheyenne Henderson - Casper Airport Henderson - Billings Henderson - Lansing Henderson - Yellowstone Lake