Getaways with outdoor shower

Joshua Tree, California

A climate-controlled dome for two sits on open desert ground in Wonder Valley, about 15 minutes from the Joshua Tree National Park entrance.

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.

Utila, Bay Islands Department

A hand-built, three-deck treehouse on Utila's north shore, with two bedrooms, an outdoor shower, and island-wide sea views.

Munds Park, Arizona

An A-frame cabin among the pines in Munds Park, Arizona, sleeping 6 with mountain views and a wood-burning fireplace.