This image was taken by NASA’s Mars Reconnaissance Orbiter (MRO) HiRISE on 15 November 2015 at 14:54.
NASA describes this image as “A Tale of Two Flows.”
Case #16: Parked disc-like craft in derelict futuristic transit-hub or city:
I discovered what seems to be a derelict parked disc-like craft in derelict futuristic transit-hub or city, perhaps abandoned for decades. This may very well be ancient lava flows, the concept that this an ancient city is interesting none the less.
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Check out all the so-called “glass tubes” seen everywhere in the original NASA image (specifically the one that is inside a crater at the bottom left).
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These images remind me of the Hong Kong boundary Crossing Facilities competition winner.

Original NASA source: https://www.uahirise.org/ESP_043609_2230
Original Hong Kong boundary Crossing Facilities source: http://www.evolo.us/architecture/winners-of-the-the-hong-kong-boundary-crossing-facilities-competition/
I used NASA’s image viewer to the left of the page to view these anomalies.
Is this a natural anomaly or perhaps a derelict futuristic transit-hub or city on Mars?
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