Various open collections from maps and images to 3D objects and weather. Search and explore these free resources.
Library of Congress Early presidential collections.
The (Amsterdam) Rijksmuseum 709,000 works of art available online.
National Weather Service imagery From floods and hurricanes to tornados and snow.
Thingiverse 3D objects.
Tinkercad Create 3D objects.
Storyset/Freepik Animated vector files