This is something that drives me nuts about wannabe photographers. They all immediately travel off to "exotic" locations to take pictures of "exotic" people and things.
Your house and neighborhood is plenty exotic enough for a lifetime's work, if you have the eye.
Your first three paragraphs are the answer to the so-called Fermi Paradox.
If your species has adapted to spending tens of thousands of years in tiny craft isolated by vast distances from anything else, leaving that environment would be extremely risky and difficult.