Get lost, as it is completely fun trying to find your way back and familiarizing yourself with the environment.
Respect the local culture and attractions.
Enjoy the free things in life, such as heading to the park, enjoying the majestic views and anything that does not cost you a single dime.
Try to be spontaneous every now and then.
Keep traveling as many times as you can. Many other places await your discovery.
Shop for some local goods which you can bring back home with you.