Sleep with the fishes
In the middle of Sweden’s Lake Mälaren is what looks like a typical Swedish cottage but beneath the floating house is Utter Inn’s underwater accommodations for two. Where you can truly sleep with the fishes.
Top Photo courtesy of Dependability, CC BY-SA 4.0 https://commons.wikimedia.org/wiki/File:Utter\_Inn\_V%C3%A4ster%C3%A5s.jpg
https://www.uniqhotels.com/utter-inn-floating-house-on-the-lake/