Experience the world’s largest underground iron ore mine from the inside. Visit the mine: the café, the machinery, the theatre and museum, all located 540 meters underground. You can join the daily tour that starts at the LKAB's Visitor Centre in central Kiruna. Book well in advance! The mine is operated by Luossavaara-Kiirunavaara Aktiebolag (LKAB), a state-owned Swedish mining company.

For divers, the outer reefs surrounding Rarotonga and Aitutaki are remarkable places boasting 30 metres plus year-round visibility. Some of the best experiences include suggestive canyons, caves, long tunnels, towering drop-offs (some of them up to 4,000 metres), swim-through under and through coral reefs and shipwrecks such as the Alexander. Dive Rarotonga:

With refreshing water and multiple swimming holes, the Staircase Waterfall is a must see for Payson visitors. The Arizonan heat is easily escapable in the depths of the waterfall, which also serves as a massage of sorts.

The Jewish Museum of Thessaloniki presents the history of Sephardic Jews and Jewish life in the region after the 15th century. It is one of the rare Jewish buildings that survived the fire of 1917. The museum is subdivided into several sections, where you can see the photo exhibit “Thessaloniki, Sephardic Metropolis", appreciate religious artefacts and memorabilia, look at tombstones from the ancient Jewish cemetery of Thessaloniki. There is also a part dedicated to the Holocaust in Thessaloniki.