Public Archives & Records for Treasure Research (By Country)
Every country maintains public archives containing land records, military documents, court filings, maps, and personal papers. These are the primary sources that power serious treasure research. Below is a curated directory organized by country.
🇺🇸 United States
🇬🇧 United Kingdom
🇪🇸 Spain
🌍 International & Multi-Country
Learn How to Use These Archives Effectively
Knowing where archives are is the first step. The Treasure Hunter's Research Guide teaches you how to navigate them — what to search for, how to evaluate what you find, and how to build a research case from archival evidence.
Get the Research Guide →