Another one of the city's many religious structures, the Saint Nedelja Church dates back to as early as the 16th century, and can be found in the heart of Sofia. If you enjoy old icons and beautiful architecture, stop by along the route of your itinerary.

The Spanish province of Andalusia is among the top global olive oil producing regions. Consider joining a workshop or tasting centring around the oil, and learn about olive cultivation, plus take your pick of aroma and flavour profile. Some local providers include: The Olive Oil Workshop www.theoliveoilworkshop.com alexis@theoliveoilworkshop.com +34 687 224 928 Pure Andalusia www.pureandalusia.com info@pureandalusia.com +34 637 531 002

Pop into the Museo de Bellas Artes, a hidden gem in a former convent. Home to Spanish art masterpieces from the medieval period to the 20th century, it's a testament to the country's rich artistic heritage. Marvel at works from great masters like Goya, Murillo, Ribera and Millian, and delve into dynamic modern art exhibitions. It's a cultural pit stop you can't miss in Seville.

Mineral deposits found in the Nha Trang area are believed to have natural curative properties, which can be experienced first-hand at the city's several reputable 'mud spa' centres. Services range from the possibility of, quite literally, bathing in mud, to experiencing a full-on treatment in combination with a massage or other beauty procedures. Spa packages are offered at most centres and are incredibly great value. Some of the best-known spa centres include Thap Ba Hot Springs (with private baths available, as well as waterfalls and thermal pools with both warm and cold water); iResort (another large complex, plus water slides), 100 Egg Mud Bath, and – if you're too short on time to make the trip outside of town to one of the larger complexes – Galina Mud Bath right downtown.