Terrestria is a detailed and vibrant biomes mod for Minecraft running on the Fabric mod loader. Terrestria enhances gameplay through the addition of 17 major biomes supported by 24 component biomes, 9 new wood types, as well as a healthy selection of foliage - providing a refreshing new selection of terrain.
Terrestria requires 
Fabric Loader
Note that older versions of Terrestria required you to download Fabric API separately, but now the required parts are bundled/included inside Terrestria.
Check out the Terraformers Discord Server to chat about Terrestria and other Fabric mods!
Visit the Terrestria Wiki to learn more about each biome
The goal of Terrestria is to be the most polished and visually appealing biomes mod available for Minecraft, and to this end there has been intense focus on selecting, detailing, and refining the biomes until they look absolutely amazing. Rather than add tons of different biomes, focus has been put into adding a rather small amount of biomes and then populating them with large amounts of detail and component biomes. This overall results in a more cohesive experience compared to existing biome mods.
Some biomes contain variants to increase variety
Images of the biomes can be found on the Images page.
Check out Terrestria's sister mod, Traverse:
Traverse works well alongside Terrestria if you are looking for a set of biomes that are closer to the Vanilla+ ideal. Traverse has a lot of unique, colorful biomes that embrace the simple vanilla aesthetic instead of trying to overshadow it.
Check out the Terraformers Nether biome expansion, Cinderscapes:
Cinderscapes complements Terrestria by providing an expansion to the nether, much like Terrestria does to the overworld. Cinderscapes brings more life and beauty to the nether, while also keeping it frightening.
Campanion, your camping companion:
Campanion adds various tools and utilities to help improve your adventures away from your home. Campanion also works well alongside Terrestria in order to make the exploration of the biomes even more fun.
Terrestria is a mod for Fabric, and there are no plans to port this mod to Forge.
