Image of Deep Dark Excavation Base

Deep Dark Excavation Base

I founded this settlement after flying through the Nether in a random direction using Elytra. The goal was to find an Ancient City inside a Deep Dark biome.

There are some cool caves under this house. And I did end up finding an ancient city, though not connected to the caves. Instead, it was under this mountain:

Ancient cities are most likely to spawn under mountains like these.
Ancient cities are most likely to spawn under mountains like these.

Here's some more views of the base:

Real basic storage setup.
Sustenance farm
Portal going to the Far Lands Base