Vintage sci-fi poster of three astronauts in a crystal cave with colorful crystals and flying dragons.
This retro poster promotes Planet Adventures: The Crystal Caves of Mercury, a 1930s sci-fi adventure featuring three astronauts exploring a luminous cavern filled with multicolored crystals. The artwork uses bold typography, dramatic lighting, and fantastical creatures to capture classic pulp-era space exploration and wonder.

Vintage sci-fi poster of three astronauts in a crystal cave — AI art by @panos

@panos · 4/20/2026

The Crystal Caves of Mercury - Planet Adventures magazine March 1936 QT: Retro pulp-fiction cover

Vintage sci-fi poster of three astronauts in a crystal cave with colorful crystals and flying dragons.
This retro poster promotes Planet Adventures: The Crystal Caves of Mercury, a 1930s sci-fi adventure featuring three astronauts exploring a luminous cavern filled with multicolored crystals. The artwork uses bold typography, dramatic lighting, and fantastical creatures to capture classic pulp-era space exploration and wonder.

Tags: planet adventures, crystal caves, mercury, astronauts, vintage poster, pulp art, 1930s sci-fi, retro illustration, colorful crystals, dragons, space exploration, fantasy poster, bold typography, explorer artwork

21 likes · 20 comments

Comments

panos

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CaylaCatz

Very cool! A pulp bookcover!

panos

Thank you! ..No, why? They have some similar album cover?

Sealine

Fantastic image! Love the cover and the image is fabulous!

legion

How colorful! Are those three the Beastie Boys?

suga2309

You're most welcome, my dear friend ! 😇🙏💖🍵🌹🌷🌺🌼🌻

archangeltara

WOW this is fantastic

suga2309

Wonderful, my dear friend ! 🤩👏✨

panos

Ohhh. I see it now!! 😄😄