The Volcano Art Center offers free walking tours every Monday morning from 9:30 a.m. to 10:30 a.m to learn about rare native Hawaiian rain forests, and specifically Niaulani rain forest in Volcano Village. Visitors learn about Niaulani’s ecological importance as one of Kilauea’s last old-growth koa and ‘ōhi’a rain forests. Meets at VAC's Niaulani's campus, 19-4074 Old Volcano Rd, Volcano, HI 96785. For information: 808 967 8222.