Nothing quite like the simultaneous awe and dread of looking at a construction so gargantuan that you feel like an ant on the floor of a cathedral
Pic is by Étienne-Louis Boullée. Also if you're into this kind of stuff, check out the work of Giovanni Battista Piranesi. Also have a look at the short film The Centrifuge Brain Project.
You might love the visuals in the movie "Last and First Men". It's just 70 minutes of cool B&W shots of the anti-fascist monuments in former Yugoslavia with Tilda Swinton narrating a sci-fi story about the humanity's future.
I've always been fascinated by the Spomenik! Will definitely have to watch this.
I found a YouTube link in your comment. Here are links to the same video on alternative frontends that protect your privacy: