PC Bug: using one of the new SDV 1.5 items can allow the player to access places not normally accessible. {Spoilers}

[RevMortis]

The Item is the Mini-Obelisk.

Placed one of the above item next the right side of the greenhouse on the 4 corners Farm map.
Teleporting from another obelisk (placed near the house) will teleport the player inside the overworld display of the greenhouse.

4 corners farm.
SDV 1.5.4
English
Single player (at the time)