Megaliths of Greencastle Hill, Greencastle Hill, Antigua
Greencastle Hill
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Antigua
Antigua + Barbuda
Antigua + Barbuda
Concierge.com's insider take:
The one-hour, lung-busting trek to Antigua's most unusual attraction is just what the trainer ordered. The 600-foot-high rock formations in the south-central part of the island are said to have been created by indigenous Siboney people for worshipping the sun and moon, but may just be a geological phenomenon.