Location: southern Kauai, Hawaii
Length of visit: half hour
Major draws: Natural blowhole, scenic views, sea turtles
Strenuosity: 1 out of 10
Additional considerations: Limited parking and viewing space
Description: Two lava tubes that open to the ocean create the Spouting Horn, which splashes out one and breathes out the other. The south shore of Kauai tends to be the sunniest part of the island and has plenty to see.