An enormous tree lives inside a massive stone dome. Several starter homes are carved into the tree's trunk and there is also a small village in the branches.

I am almost done I have mostly some odds and ends things to do with the central city.

A castle built into an existing rock formation. The castle is surrounded by an obsidian wall. The world also contains a village-dome, temple ruins, pyramids, and a treasure vault in the nether.

This is a new version of a tree dome with many improvements. This dome contains an entire forest as well as an enormous ancient tree

After finally getting the hang of building bio-domes, I decided to add a few more to the glacier seed and connect the domes with a railway system.

You will find a few scattered treasure chests in the domes, nothing too fancy though.

A small floating castle, a vantage point, a tree house, a deserted fort and an underwater mine can also be found along the minecart track. (The fort is a bit further to the east.)

There is a second minecart track near the floating castle that will lead you right to the fort. (Follow the stone poles with the torches.)

As always, the original landscape has mostly remained untouched, so change and undo whatever you like.

Happy building!
-Ghostdancer