Oahu, home to Honolulu (Hawaii's capital), is more metropolitan ... One of these, Manoa Falls, can be reached via a short, easy, family-friendly hike through the lush Manoa Valley rainforest.

Sharael Kolberg, Contributor, Travel This approximately 150-foot-tall waterfall, which sits 5 miles northeast of downtown Honolulu, is easily accessible. All you need is proper footwear ...