Dorado, Puerto Rico
Ritz-Carlton Reserve Dorado Beach
Open-air tree house platforms form the centerpiece of the spa at this newly opened resort.
Uxua Casa Hotel & Spa
The lodge pairs access to the nearby party hot spot with cottages that embrace the spirit of this 16th‑century fishing village.
Highland Haven Creekside Inn
Independent bed and breakfast outside Denver features a three-level tree house.
Cooper, Costa Rica
Rainforest Tree House
Luxury meets simplicity in this tiny cabin, listed on Airbnb.com, which borders natural hot springs and is located at the top of the rainforest canopy.
Litchfield Hills, Conn.
A cluster of whimsical cottages, including a two-story tree house, draw the well-heeled for weekend getaways.