Places:
* Eagar: A town in eastern Arizona.
* Eagle Creek: A tributary of the Salt River.
* El Mirage: A town in the West Valley.
* El Tovar Hotel: A historic hotel at the Grand Canyon.
* Escalante Canyon: A scenic canyon near the Grand Canyon.
Things:
* Elephant Trees: A type of Joshua tree found in Arizona.
* Equestrian Sports: Popular in Arizona, with many horse ranches and equestrian centers.
* Ephemeral Pools: Temporary pools of water that form in the desert after rain.
* Erosion: A significant geological process shaping Arizona's landscapes.
* Edible Plants: Many edible plants grow wild in Arizona, like prickly pear cactus and mesquite beans.
Organizations:
* Enchantment Group: A hospitality company with resorts in Arizona.
* Environment Arizona: An environmental advocacy organization.
* Explore Arizona: A tourism website promoting Arizona travel.
Miscellaneous:
* E-bikes: Popular for exploring Arizona's trails.
* Earthquakes: While less frequent than in other parts of the US, Arizona does experience earthquakes.
* Entertainment: From professional sports to live music, Arizona has a vibrant entertainment scene.
* Ecotourism: Arizona offers numerous opportunities for ecotourism, with its diverse landscapes and wildlife.
This is just a small sample, and there are many other things that begin with the letter "E" in Arizona!