Looking for more metal/rock/power metal/deathcore/metalcore/progressive metal concept albums

So far:

Nightfall In Middle Earth - Blind Guardian

Beyond the Red Mirror - Blind Guardian

The Power of the Nightstar - Dragonland

V, the new mythology suite - Symphony X

Pain Remains - Lorna Shore

Honorable mention because I appreciate the musicianship, talent, and groundbreaking innovation but it's just not very often my cup of tea: Pink Floyd