One of the world's highest botanical gardens!
Free museum where you can learn all about the historic 10th Mountain Division that trained near Vail during WWII
Booth Falls is a popular, 4 mile roundtrip hike near town. It is a good place to see wildlife, alpine meadows and ends at a 60' waterfall. Note that while there is no parking for hikers, the Vail East Shuttle has a stop at the trailhead. https://www.vail.gov/government/departments/transportation-services/bus-information/bus-schedules-summer#!/
Classic Vail restaurant in the heart of town