The geographical features at Meteora are spectacular. It's reported to be an ancient seabed. Towering limestone pilars rise out of the earth, much like what little children make with sloppy sand at the beach. The views are awe-inspiring and one can see why hermits and ascetic monks would choose to live their lives there. Contemplation of un-earthly matters is inevitable the longer you spend there.
The monastaries are lovely, though it's unfortunate that one can't be raised up in the nets they used in the past. Women, be sure to wear long skirts or have some kind of shawl to wrap around yourselves. You will not be permitted to enter wearing pants, and certainly not if your legs aren't covered. I used a sarong and it worked out just fine.