Here is a little collection of amazing post apocalyptic environment concept art which is really inspiring.
Concept art by Steve Jung
Cityscape: Post-Judgemnet Day [Concept Art].
Post-Judgement Day Cityscape
Metro 2033 – Concept Art
Jedi Temple – Concept Art
The Return – Concept Art
The Realm concept art created by Atomhawk Design
KZ3 – Environment – Concept Art
Guild Wars 2 – Concept Art
The Last of Us – Concept Art
The Last of Us – Concept Art
The Last of Us – Concept Art
Concept art for Asura Online created by Yang Qi for Quantum Studios
The Last of Us – Concept Art
KZ3 – Environment Concept Art 1