Outside Malibu you can find a glass-sided silver Airstream, I found it thanks to its own Instagram: @malibudreamairstream.
It is so pretty, you have a view overlooking the Santa Monica mountains and Pacific Ocean!
Last year I have been to Bali, we stayed in an open-air bamboo hut for a couple of nights, it was amazing!
You have access to the saltwater pool and main lodge for meals. You'll also get a complimentary cell phone to get in touch with staff, and there are places to lock away valuables as the secluded spot has no front door 😉
Once I found a whimsical treehouse in Atlanta, Georgia. There are swinging bridges to connect the three beautifully decorated treehouses with a patio and hammock that seem perfect for stargazing.