Anomalies on Triton - Amazing structures found by Voyager 2

Here are amazing structures discovered by Voyager 2 probe on one of the largest satellites of the planet Neptune, Triton.

Link: https://photojournal.jpl.nasa.gov/catalog/PIA00340

Red and green structures on Triton.

   
           

Huge cities on Titan, Saturn's moon

Huge cities found by Cassini Orbiter on Saturn's moon Titan, PIA21626.

Link: https://photojournal.jpl.nasa.gov/jpeg/PIA20714.jpg