Adventure. Exploration. Discovery. Experience.
Not everyone wants these things, of course, but the new and exciting certainly does still interest many a person.
Some people may be shy, maybe even timid, but all in all, we are a species that thrives on curiosity, with many among its members who feel most alive when they can venture out into the unknown, experience an element of danger that heightens perception, get a rush of adrenaline from the novel and fascinating.