With its towers, buttresses and sturdy walls, the 16th-century Cathedral was built to serve as a place of worship and defence against the pirate raids from North Africa. The cathedral's Gothic interior comprises three naves and three chapels. Daily guided tours offer visitors the opportunity to explore the entire cathedral.

One of Nha Trang's most alluring attractions is the Po Nagar Cham Towers, an actively used site of religious significance to Cham, Chinese and Vietnamese Buddhists; only 4 towers remain standing (researchers speculate there may have originally been up to 10). Constructed between the 7th and 12th centuries, the towers have a history that goes back to as early as the 2nd century AD when the location was first used for religious purposes. The complex teems with worshippers and visitors daily – you'll likely see some dozing on the hillside, others having a family picnic, and others yet enjoying a stylised performance at the on-site outdoor stage.

Explore the exciting world of optical illusions at Camera Obscura & World of Illusions, a unique museum that offers five floors of immersive fun. Lose yourself in mind-bending experiences as you navigate through intriguing mirror rooms and test your balance in the thrilling vortex tunnel. As a bonus, don't forget to ascend to the rooftop for the best panoramic views of Edinburgh.