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For those who like their adventures soft, Middle Caicos is a good choice. Among the softest adventures there: mystical Indian Cave.

Carved by the sea over the centuries, the Mudjin Harbour Caves are among the more striking features of the seaside cliffs in Middle Caicos.

It's not Rio Camuy (Puerto Rico) or Grotte Marie Jeanne (Haiti), but the Conch Bar Caves do offer surprising bit of soft adventuring that's 180-degrees from the usual beach 'n chill pursuits so common in TCI.

Natural swimming pools like these dot the landscape along the Caribbean coast of Mexico's Yucatan Peninsula where more than 6,000 cenotes can be found.

Unlike most cave systems that invite you underground through large openings, the spectacular "window" opening is the climax at Cueva Ventana.

It's not for kids or the tourism masses just yet, which, of course, makes Haiti's Marie Jeanne caves perfect for truly adventurous uncommon travelers right now.

Animal Flower Cave, found on the extreme northern point of Barbados is an ancient and awe-inspiring famous fixture of the island's attractions.

It seems to me that sharing our love of travel with my kids is not just a father's job, it's a father's dream come true. Happy Father's Day!

In the years that have passed since my first trip to Grand Cayman, I've thought of many reasons to return. Spelunking was not one of them.