This looked interesting. A friend at work showed me after listening me dribble for hours about hammocks.

Cocoon Tree, A Cozy Spherical Tent That Hangs From Trees

ocoon Tree is a cozy spherical aluminum-framed tent that hangs from trees. It’s said to be “rigged with ropes and secured by nets” and can be accessed by “wooden walkways or simply nets.” Each one has a 10-foot diameter (it sleeps two, “very comfortably”) and add-ons are available, like a bed or a table

here's a link on them if you're intested and have a spare cool $11,000 to chuck at it.

I have no association with this product