Call your friends and invite them to the next 3 days to spend together at someone's dacha or clear at this time, a country cottage, a house at the tourist camp. Good rest in winter, and in summer this house will help active outdoor games, ball games, tennis, badminton, in winter - skiing from the mountain on a sled, throwing snowballs at each other. Organize a swim in the nearest body of water in the summer or flood the bath with a dip in the cold plunge pool in the winter. Don't forget food for three days, which may consist of food cooked on the fire, fresh fruits and vegetables.
Go to any travel Agency of your city and inquire about three-day tours, which it offers tourists. It may be possible short trips to Europe, beach vacation in Turkey, Egypt, Thailand. Do not refuse from the tour on the Russian cities, or visit your region where you've never been.
Organize a trip with friends, friends with cars to fishing or hunting, picking up mushrooms and berries, walking in the mountains, with a three-day overnight stay in tents.
For three days you can go to relatives, friends in another city, which you have not been, but would like to visit them. Do not forget to pre warn family and friends about your visit that you have not violated their weekend plans.
If you have someone you would like to spend time just the two of us, remove the fairing, in your hotel or any other city where you could free time admire the sights of another region. If finances allowed, you can organize a romantic trip for two for three days in Paris, Milan, Venice and Prague. Visit the architectural sights of these amazing cities, taste European cuisine.
People family it is best to spend three days together. You can go by car, and even better to go Cycling to the country, to visit the grandparents, get some fresh air, to show children the beauty of nature.