Check in to any nice hotel, and the concierge will be more than happy to recommend or reserve a tour of the area. But in some cases, you don’t even have to leave the property to take in the sights, ...

I’ve stayed at Waikiki’s Halekulani many times over the years, and thought I knew everything about that resort. Except one thing, it turns out: Guests receive free admission to six of Oahu’s most ...