Discoveries

Discoveries are found on the world map. Some are invisible, some move around, and some are in plain sight. When there is a potential Discovery, the compass starts to spin rapidly. When Discoveries are made or you need information on potential Discoveries, go to a Sailors' Guild to buy or sell information. If Vyse takes too long to find a discovery, Domingo may find it first, causing any information you may want to sell to be bought at a cheaper price.
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There are 64 Discoveries in the original Dreamcast version, an additional 24 Discoveries in the Gamecube version bringing up the count to 88, and a special 89th Discovery that can only be unlocked under certain prerequisites.

List of Discoveries
To be added: altitudes, whether it moves or is invisible, maps displaying their location, and Guild Discovery information pricing.