Vacation is meant to be enjoyable. If one works hard in life, then hopefully, one should earn a vacation! If one is on vacation, then one should perhaps do what interests them.
One can sometimes throw caution to the wind on vacation. Snorkeling is one fun thing to do on vacation. Scuba diving is another. There are many locations with comfortable warm water outdoors on this Earth. One can dine out while on vacation. One can dine with family or friends. One can go on a date while on vacation.
One sometimes must have to work in order to become wealthy enough to take vacations. Work can be hard, but work can be fruitful! Work can be interesting and work can be satisfying. One must just find the proper kind or work for oneself. There are many different types of work that can help one earn enough money to be able to take vacations. Perhaps one can retire early if one becomes wealthy enough. One can start a business or be an investor. There are many ways to make money over The Internet, nowadays, too. Work can be a useful way to raise funds to take a fun vacation. If one is able to retire early, then one can perhaps have an eternal vacation, so to speak.
On vacation one can lounge around by a pool in warm sunshine, or one can go see historical sites. There is much history on this Earth that one can learn about while on vacation. All humans have unique preferences, so one activity that one considers enjoyable during a vacation may not be the same for someone else.
There are many books written that are tourist guides that can give one good ideas about what sorts of fun activities would be good to include in a vacation plan. Budgeting can be useful to ensure that one has the necessary funds to enjoy one’s time while on vacation. So, there are many fun things to do on vacation, one just must be creative and thoughtful in order to make the vacation enjoyable for oneself and for whoever is with oneself.