Kona Brewing Company
Credit: Kona Brewing Company

Kona Brewing's location in Hawaii is reason enough for a visit, but the brewery also offers an in-depth look at its unique sustainability initiatives aimed at preserving the islands' delicate environment. Tours, which start at 10:30 am and 3:00 pm every day, showcase details such as the whiskey barrel in the center of the Kona restaurant, which collects more than 90 gallons of condensation per day from air conditioning systems. It is then recycled and used for landscaping irrigation and the surrounding gardens. There's also the 220 kW solar energy system that offsets nearly 50 percent of Kona's electricity usage. Just when you're convinced that drinking beer is the best possible thing to preserve Mother Nature, the tour ends on the lanai with your choice of a dozen beers not available on the mainland. Kona also taps a firkin every two weeks. Sample away.

Price: Free