Phoenix is the fastest-growing major city in the United States. elaborate
Portland, Oregon is home to more than 70,000 trees within its city limits. elaborate
Tulsa is home to the world's largest collection of Woody Guthrie archives. elaborate
Kansas City is home to the world's largest collection of fountains. elaborate
Baltimore is home to the world's largest indoor aviary at the National Aquarium. elaborate
Key West is the southernmost point in the continental United States. elaborate