Ariau Amazon Towers Tree Top Lodge
Brazil. Between $100 and $200 per night, per person. (includes excursions and guides)

Cedar Creek Treehouse
Washington State near Mt. Ranier, treehouse. $200 per day, four people.

Hillside Haven and Treehouse Cottages
Eureka Springs, Arkansas. No rate listed.

Out 'n' About Treehouse Resort
Southern Oregon. Slow loading page. Between $17 and $40 per night. (includes breakfast)

The Tree House
Hopefontein Nature Reserve, Africa. No rate listed.

Treehouse by the Sea of Abaco
Bahamas. $850 per week, double occupancy.

Treehouses of Hana, Maui
Hawaiian treehouse. $85 per night.

Treehouse Retreat
Northern New South Wales, Australia. $60 per day, per person. (includes all meals)

Tuetal Treehouses
Costa Rica. $14 per night, double occupancy.

What's it Like to Sleep in a Tree?
Tree Climbers International Inc. describes what it's like to sleep in a tree. (without a tree house) Such activity is free.

Waipi'o Treehouse
Hawaiian treehouse. $250 per night.