In the southwest corner of the Mellah, and past the Habarim Synagogue, Ibn Danan is an intimate synagogue with a fascinating atmosphere and a traditional ritual bath in the basement. Head here for getting an authentic feeling of religious experience.

Housed in the Archbishop's Palace, the Museo Diocesano di Palermo boasts an impressive collection of sculptures from the 15th to 18th centuries. It also displays interesting artworks, such as religious silverware and textiles, frescoes and Italian and Flemish paintings from the 16th to 19th centuries.

You have the unique opportunity to watch one of nature's most powerful, beautiful processes as the earth unfurls to release its magma from the volcanoes. As one of the most active volcanoes on the planet, Kīlauea volcano is consistently one of Big Island's biggest attractions. Its reputation precedes it as a sacred place for Native Hawaiians as well. Marvel at the active Mauna Loa, learn about volcanology at the Jaggar Museum, take a selfie at the viewpoint overlooking the Halema'uma'u Crater. The long, underground cave formed by ancient flowing lava called the Thurston Lava Tube (Nāhuku) is another must-see.