In the case of Venus there's likely little left due to extreme volcanic activity[0]. Even if we didn't create a hellscape like Venus on Earth, over 700,000,000

In the case of Venus there's likely little left due to extreme volcanic activity[0]. Even if we didn't create a hellscape like Venus on Earth, over 700,000,000 years geological processes would grind those structures to dust. Repeated glaciation every 41,000 years or so would act the fastest but over hundreds of millions of years the surface would be significantly altered by tectonic movement. Add to that all the insults of rain, oceans, rivers, wind, volcanism, and biology. Practically nothing would be left except for maybe the fossilized remains of some junk thrown into rivers that managed to sink into the mud and then ride the tectonic waves up onto some high escarpment. Even the orbits of satellites decay. The few artifacts we left on the Moon would stand the best chance. This is why the only hope we have is to spread out into the solar system and beyond. If we stay in our tiny ecological niche on this island we're doomed to extinction and erasure. [0] https://en.wikipedia.org/wiki/Venus#Surface_geology https://en.wikipedia.org/wiki/Venus#Surface_geology