Indagare senior editor Elizabeth Harvey is just back from exploring São Miguel, the largest of the nine-island Portuguese archipelago known as the Azores. Staying at the Octant Hotels Collection, she spent time in the port city of Ponta Delgada and in Furnas, a rural village known for its lush fields of hydrangeas and bubbling geothermal pools. Under three hours by air from Lisbon, the Azores are easy to reach but still retain a feeling of off-the-beaten-path discovery for outdoor adventurers an...