Jjimjilbang culture holds firmly in Korea, with the Busan area alone boasting around 450 spa centres (the largest number compared to any other region). It's important to note that the absolute majority of spas require that guests of both genders remove all of their clothing prior to accessing any of the baths or hot springs (this includes swimwear). Heosimcheong Spa is the largest of kind in Asia (and extremely reasonably priced), but there are other options for a slightly more refined experience that's still very affordable (the luxurious Spa Land Centum City, to name one). Some spas (such as Hill Spa, for example) remain open 24/7; these are sometimes used as a place to spend the night in lieu of a hotel room. For a lighter version of the experience, visit a "foot-only" spa, where anyone can sit down and soak their feet in hot thermal water for a few minutes. Dongnae Spa Outdoor Foot Bath is one address to experience this.

Military Museum of Colombia is run by the armed forces and aims to show you more than 200 years of the country's military history. You'll see uniforms, flags, weaponry, medals, aircraft, scaled-models of ships and some full-size vehicles. In the two courtyards you can see actual tanks, cannons and airplanes.

Museo Santa Clara is a former church built in the 17th century. These days it is open as a museum and is jam packed full of beautiful art. You can both discover the colonial-era Baroque architecture and explore temporary modern art exhibitions. Don’t miss the murals and the 950 wooden, hand-carved and gold-foiled flowers that cover the ceiling.

Once Gaudí got his hands on this previously unremarkable building in Passeig de Gràcia, it was never to be simply passed by again. Fascinatingly idiosyncratic and almost beast-like on the outside, it continues to amaze from within, with twisted lines and elements that could only be thought up by the genius of Gaudí.