Marcus & Lucia - A wanderer endowed with huge testicles and his succubus partner, who wants advice on whether he should give up his soul or remain human. After he has been given an answer, Lucia will begin leaving succubi's delight for the Champion.
Big junk - A scene that only appears for characters with cocks longer than they are tall. The Hero's penis impedes their progress through the desert, and causes a slight fatigue gain.
Mirage - An illusion of a distant, shimmering tower. Causes lust to be reduced by 15.
Nothing - The Champion struggles through the shifting sands. Can result in increase of strength or toughness increase (up to a maximum of 50).
Anthill - After you've met Phylla the first time, you sometimes come across her home in the desert and can interact with the other ant-morphs there (automatically encounter the Anthill for every 8 Explore in the Desert).
Fountain of Endowment - a magic fountain that can grant XP, increase the size of a number body parts, or lead to possession by Exgartuan.
One time encounters
Burning Library - a one-time encounter with a strange naga who is cooking a potato over the ashes of a ruined library, and gives the character a Wizard's Staff. Only available to characters with greater than 50 intelligence.
Chest - A key item which unlocks six storage slots in the Champion's Camp. One time only.
Strange Gateway In the Sands - You've discovered the Desert Cave! Once discovered, the dungeon is unlocked as a place and can be accessed directly. The Strange Gateway will not appear until you've reached level 4.
Tel'Adre - A hidden city in the Desert. Only characters who have less than 70 corruption and are not possessed by a demon are permitted inside, and after a character has been granted entry Tel'Adre is unlocked as a place and is no longer encounterable.