You can get out of your comfort zone and adventure more by getting off the sofa and take up an outdoor activity like:
Hiking, Kayaking, Backpacking, Snow Tubing, and hiking in Japan.
Snow tubing is a blast
Hiking in winter is fun if you dress warm
Outdoor activities infographic
Hiking in the summer is the best.
Be sure to bring poles.
Backpack for gear, snacks, shelter.
Give kayaking a try
Bring some defensive weapons to keep safe.