Mountain homes should have a good view.
https://steamcommunity.com/sharedfiles/filedetails/?id=2567777556
https://steamcommunity.com/sharedfiles/filedetails/?id=2464017184
https://steamcommunity.com/sharedfiles/filedetails/?id=2462663810

Keep your pets in a yard
https://steamcommunity.com/sharedfiles/filedetails/?id=2546042991

Living rooms should have a nice decoration representative of the biome.
https://steamcommunity.com/sharedfiles/filedetails/?id=2523333303

Shore houses should have at least one deck and a Serpent trophy.
https://steamcommunity.com/sharedfiles/filedetails/?id=2435798604
and planted trees along a path to the gate.
https://steamcommunity.com/sharedfiles/filedetails/?id=2490046798

Bring your friends over
https://steamcommunity.com/sharedfiles/filedetails/?id=2521281964

Throw a party and have fireworks.
https://steamcommunity.com/sharedfiles/filedetails/?id=2535863532
https://steamcommunity.com/sharedfiles/filedetails/?id=2536829594

If all else fails you can just dig a deep hole to live in.
https://steamcommunity.com/sharedfiles/filedetails/?id=2559869412