You can delete your account using the deletion option in the game settings.

1. Click on your profile icon to open your game profile.
2. Click the blue cog button under your username to open the settings menu.
3. Scroll down to the bottom of the settings page.
4. Click "Delete my account."
5. Follow the account deletion steps on your screen to complete the deletion process.

When a player deletes their account, the land goes back up on the open market as if it had never been owned. The rarity of all parcels released this way is re-randomized.