This is a stock photo. It is Earth in a drop of liquid.
If you zoomed in, and then zoomed in some more, and then kept zooming and zooming and zooming and zooming and zooming... you might see something like this:
or this:
or this:
or this.
This is Mars. It's a photo from NASA.
If you zoomed in, and then zoomed in some more, and kept zooming and zooming and zooming and zooming and zooming... you might see this (which would make any geologist very excited):
or this:
or this:
or this.
Just think: in the next 50 years, we'll be there. Some how, some way, we'll be there.
The future isn't that far off.