Getaways with sauna

Fuji Five Lakes, Yamanashi

An upscale lakeside resort near Mt. Fuji with 16 cabins, domes and villas, each holding a private natural hot spring bath and sauna.

Aspen, Colorado

A century-old guest ranch on the Frying Pan River about an hour from Aspen, with cabins, hot tub, sauna and room for up to 70 guests.

Rovaniemi, Lapland

A glass-walled Arctic lodge beside the Ounasjoki River, 10 minutes from Rovaniemi, with a private hot tub and 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.

Olympic Peninsula, Washington

A 20-foot-high treehouse over the water near Port Angeles, Washington, with two bedrooms, a hot tub and sauna, sleeping two.

Catskills, New York

Gatherwild Ranch has eight glamping tents and ranch-style shelters spread across hillside farmland in the Catskills area of New York's Hudson Valley.

Olympic Peninsula, Washington

A treehouse with a hot tub, sauna, cold plunge and fireplace, sleeping up to 10 guests near the San Juan Islands, Washington.

Rovaniemi, Lapland

A 12 m² glass igloo with a private hot tub near Rovaniemi, built for one-night stays for up to two guests.

Mendocino, California

A treehouse built around a living redwood in Mendocino, California, with a sauna, fireplace and mountain views, booked through Airbnb.

Santa Teresa, Puntarenas

A 13-bedroom treehouse retreat near Playa Hermosa in Santa Teresa, Costa Rica, built around a large sauna and jungle lookout decks.

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.

Jackson Hole, Wyoming

Heated geodesic domes five minutes from Jackson Hole Mountain Resort and Grand Teton National Park, with mountain views, sauna, and fire pit.

Zion, Utah

A luxury ranch of private lodges bordering East Zion National Park, with mountain views, some saunas, and a working buffalo herd.

Elgin, Texas

A lakefront dome near Elgin, Texas with mini golf, a sauna, outdoor bath and hot tub, booked through Glampinghub.

Eagle County, Colorado

A treehouse-style vacation home in Eagle-Vail, Colorado with mountain views, a hot tub and a sauna, geared toward couples.