Open Educational Resources: Maps & 3D

Maps licensed under the Open Data Commons Open Database License (ODbL) from the OpenStreetMap Foundation (OSMF).
It allows you to customize and download updated maps from around the world.

The CIA offers maps of countries worldwide, available for download, though they aren't always up-to-date.

Maps licensed under the Open Data Commons Open Database License (ODbL) from the OpenStreetMap Foundation (OSMF).
This allows you to customize and download updated maps from around the world.

Wikipedia contains interesting maps in .svg format, an image format that's also editable with vector graphics software. The easiest way to find them is by searching directly on Google, for example: "Wikipedia Argentina .svg". These types of formats are usually uploaded by the creators, making them an original source.

3D Models, Virtual Reality (VR), and Augmented Reality (AR)

The reuse of models will depend on the license specified by the creator. Many free models are offered under Creative Commons licenses. It's important to check the license of each model before using it.