Scroll down to submerge into the deep ocean...
Most coastal dolphins dive up to this point to feed. You are still comfortably within the Epipelagic sunlight zone.
If you stood the world's classic skyscraper upside down in the water, its tip would reach right here.
Sunlight is virtually gone. Creatures here rely on bioluminescence (producing their own light glow engines) to see or trick prey.
Absolute darkness. The water pressure here is roughly 100 times that of the surface atmosphere—equivalent to an elephant standing on your thumb.
The famous luxury liner rests in the freezing, pitch-black abyssal plains, slowly being consumed by iron-eating bacteria.