I'll just post three off the top of my head that I enjoy.
And pretty much anything by The Alan Parsons Project.
I also feel like I should mention Rush and Genesis... And I could keep going on and on like this, and about how awesome concept albums are, but I guess I'll leave it at that.
Close to the Edge, by Yes

The Rise and Fall of Ziggy Stardust and the Spiders from Mars, by David Bowie

Tubular Bells III, by Mike Oldfield

And pretty much anything by The Alan Parsons Project.
I also feel like I should mention Rush and Genesis... And I could keep going on and on like this, and about how awesome concept albums are, but I guess I'll leave it at that.