Unmarked Locations (Skyrim)

Description
There are many places on the world map that are unmarked but contain treasure chests, items, or interesting characteristics that can be easily missed by the wandering adventurer.

Locations

 * Small Shipwreck - a small boat containing a scimitar and some mubcrabs. follower the coastline from Brinehammer eastward.
 * Underwater Ruin - A small underwater ruin with a treasure chest at the bottom. West of the guardian stones, follow the coastline until you see rocks raised from the water.
 * Sacrificial Altar - A small altar with an apothacary satchet and a tome that increases alchemy skill by one. walk directly west of roadside ruins.
 * Swimming pond (visible from world map) - A dead swimmer with a high value necklace (800g) nearby. Northwest of Shrine of Peryite.