Sitting high up on Mesa Vouno, Ancient Thera has the kind of views that make the hike worth it. The ruins stretch along a ridge above Kamari and Perissa, with bits of Hellenistic, Roman, and Byzantine history still visible—temples, bathhouses, homes, even an old theatre. You can drive most of the way from Kamari (steep road), or hike up from Perissa if you’re up for a long, hot climb (around 2 hours). Bring water, wear shoes with grip, and go early if you want to avoid the heat.

For one or more days, you can leave Hamilton Island and explore the local waterways and surrounding islands. Sailing Whitsundays organises various types of tours and activities that you can book for a truly memorable holiday. You'll be able to enjoy leisurely day sails, sea kayaking, dinghy hire, cruises and scenic flights.

Venetian rule in Santorini extended from 1207 to 1580, and the last vestiges of this historical period live in the castles that dot the entire island. Five fortresses can be found in Santorini in Oia, Pyrgos, Emporio, Akrotiri, and Skaros, which have been partly demolished by the earthquakes that shook the island in the 15th and 16th centuries. Skaros is probably the most important and well-preserved among the five castles, built on the peak of the namesake rock to protect the village from pirate attacks. The ruins of the once magnificent fortress can be reached on foot from Agios Georgios church in Imerovigli, connected to Skaros by a 0,5 km walking trail and a long stairway.