Desert Loop Trail of Arizona-Sonora Desert Museum is an amazing natural trail through the pristine desert ecosystem. The park is actually a continuation of the neighboring Saguaro National Park and has a similar kind of features. The desert loop trail is a 0.7 mile lightly trafficked trail good for all skill levels and is primarily used for hiking, walking, and nature trips. Make sure to put on some sunscreen before hitting the trail as there are no shades from the big trees. You can even use a stroller with large wheels here. The museum is as such one of the best wildlife/nature park of the country.