Boulder, Colorado is home to the Flatirons, a series of dramatic sandstone rock formations that are a popular destination for climbers. elaborate share
Sacramento is home to the world's largest collection of Ice Age fossils found in one place. elaborate share
Tampa is home to the largest collection of Cuban art outside of Cuba. elaborate share
Baltimore is home to the world's largest indoor aviary at the National Aquarium. elaborate share
Fort Lauderdale is known as the "Venice of America" because of its extensive canal system. elaborate share
Detroit is home to the world's first traffic signal, installed in 1920. elaborate share
Key West is the southernmost point in the continental United States. elaborate share