Getaways with sauna

Big Island, Hawaii

A one-bedroom treehouse on a 3-acre fruit farm in the Kaloko rainforest near Kailua-Kona, Hawaii, with ocean views, a hot tub and sauna.

Asheville, North Carolina

A-frame cabins, a treehouse, and a creekside sauna and cold plunge spread across 38 wooded acres near Asheville in Zirconia, North Carolina.

Mena, Arkansas

A three-bedroom cabin raised over 10 feet in the Arkansas woods near Mena, with a wood-fired hot tub, sauna and outdoor shower.