Not sure how these relate to inspiration for Quake but they're pretty cool pics. I love the Space Invader. 

https://www.tagesschau.de/multimedia/bilder/mossul-369~_v-videowebl.jpg 

 

More sad than anything i'd say.

http://www.atlasobscura.com/articles/demons-illustrations-dictionnaire-infernal 

http://assets.atlasobscura.com/article_images/43778/image.jpg 

 

http://www.universalleonardo.org/playActivity.php?id=525 

https://i.imgur.com/agyQ8Bi.jpg 

 

http://www.dailymail.co.uk/news/article-2492370/I-got-bit-carried-away-Sheep-farmer-spent-11-years-building-elaborate-Hobbit-House-hand--abandoned-new-quarry-disturbed-peace.html 

 

https://news.artnet.com/art-world/worlds-oldest-art-studio-discovered-ethiopia-979637

Anyway, some nice quake brown texture samples in the article. 

https://imgur.com/x7Om25x 

https://imgur.com/fowori8

Same Studio as above if i get that right. 

Loving those mfx! 

from /r/evilbuildings

https://i.imgur.com/eQ70hht.jpg 

Just stumbled upon this french artist's website. First time I heard about the guy! He's got plenty of inspirational etchings on display in several galleries. I find his work highly reminiscent of belgian comic book artist François Schuiten, and I wouldn't be surprised if one had inspired the other. 

http://www.trignac-gerard.com/IMG/jpg/D.40.jpg reminds me of the start map for "something wicked this way comes" 

Any recommendations for techbase maps to play?
Looking for some inspiring detailing and/or layouts

I played the quoth redesign of E1 and the start map and first map were amazing techbase examples. I loves the pipes running through the floor, under grilles. 

apsp1, apsp2 (a.k.a. Plumbers), AD's Crucial Error & Terror Fuma, dis_sp6, Guncotton, ikspq5, Invein, lunsp1, map jam 7, oms3, ritualsp, scampsp1, slave, xplore... 

Thanks Mugwump!
Will have a look through these. I already had a look at apsp1 but didn't realize he did a second map :) 

You know you can filter maps by author on Quaddicted, right? You can safely DL all of Than's 7 maps there, there's not a single bad one (not all are base, though). Plumbers is one of the very best base maps I've ever played. As the name implies, expect to get wet. A lot.

Oh, and you're welcome... ;) 

His apsp2 is awesome (Plumbers Don't Wear Ties). I actually played it in standard Quake at first before I got stuck and realized I needed Quoth. I recommend playing through with both. Quoth so you can finish it. Standard ID1 first so you can get the feel of isolation and the sheer atmosphere. I actually liked it better in standard ID1, one of my favorite Quake experiences of all time...and it was by mistake!