# National Historical Parks of the United States Codexery > An unofficial, fan-made illustrated reference about national historical parks of the united states. Entries link their source article where one exists; sourcing notes are at /quality/. ## Machine-readable content - Full content as JSON (one file per category): https://codexery.com/national-historical-parks-of-the/data/content/ - https://codexery.com/national-historical-parks-of-the/data/content/national-historical-parks-of-the-united-states.json — National Historical Parks of the United States (39 entries) - Sitemap: https://codexery.com/national-historical-parks-of-the/sitemap.xml - Audit transparency: https://codexery.com/national-historical-parks-of-the/quality/ ## Contributing - Suggest a correction: https://codexery.com/edit/ - More codexes: https://codexery.com/