Answer:
A great mysterious place that the bold have been known to journey into.
Plant whose name sounds like a dish full of dairy spread.
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
When Iβm metal or wood, I help you get home. When Iβm flesh and Iβm blood, In the darkness I roam.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?