Awaji Island, located in the Seto Inland Sea, offers a mix of natural beauty and cultural experiences. One of the highlights is the Awaji Yumebutai, a complex designed by architect Tadao Ando, which features beautiful gardens, an exhibition hall, and a conference center. The site is particularly known for its stunning landscaping and the unique interplay of architecture with nature.

Another significant attraction is the Naruto Whirlpools. Visitors can observe these natural phenomena from various vantage points, including boat tours and viewing platforms. The whirlpools are particularly prominent during certain tidal conditions, providing a fascinating spectacle of nature.

For those interested in local culture, the Awaji Puppet Theater offers a glimpse into traditional Japanese performing arts. This unique form of puppetry has a long history on the island and performances often depict historical stories and folklore, making it a culturally enriching experience.

The Awaji Island National Park is also worth exploring, featuring scenic coastlines, hiking trails, and beautiful beaches. It’s a great place for outdoor activities such as hiking and picnicking, allowing visitors to enjoy the island's natural environment.

Additionally, Awaji is known for its local cuisine, particularly Awaji beef and onion-related dishes, as the island is famous for its sweet onions. Dining at local restaurants can provide a taste of the region's culinary offerings.

Lastly, the Izanagi Shrine is an important spiritual site, believed to be one of the oldest shrines in Japan. The serene atmosphere and historical significance make it a peaceful stop for those interested in Shinto traditions.

Overall, Awaji Island provides a balanced experience of nature, culture, and cuisine, appealing to a variety of interests.