Wailua Valley State Wayside
One staircase, two valleys, and a hole in Haleakala's rim.
Climb the staircase from the pullout and you get Keʻanae Valley, the Koʻolau Gap notched into Haleakala's rim, and Wailua's taro loʻi in one sweep. Thirty seconds from the car. Most drivers blow right past it.