Urban planner Darin Dinsmore created a camp in Sedona, Arizona, with four tiny homes. The small cabins are located on the side of a cliff and were designed to feel like tree houses. Dinsmore lists ...

The communities they built are Betatakin, set in the alcove of a magnificent sandstone arch; Keet Seel, the largest cliff dwelling in Arizona; and Inscription House, a smaller dwelling named for ...

Glendon Good, 60, must take a gondola ride—3 minutes and 14 seconds at slightly more than 45 degrees—to get to the house he shares with his wife, Milenka Bezic, and their 9-month-old son, Jackson.