Bangladesh's War of Independence from Pakistan in 1971 was a deadly and haunting conflict. The Liberation War Museum takes visitors on a difficult but important recollection of the war and its tragedies, and though it can be quite graphic at times, it is essential to understanding the country as it is today.

The amazing Mapu’a Vaea blowholes extend for 5 kilometres along the south shore on Tongatapu. Their name means "Chief's Whistles", and you can see the water forced through the natural vents in the coral limestone cliffs sometimes up to 30 metres in height.

While seasoned travellers may venture into Cartagena's gritty Bazurto Market on their own, those not yet toughened by locals-only markets of the region may prefer to explore as part of a guided tour. This sprawling market, where trade starts before the crack of dawn, features incredibly fresh produce and seafood from Cartagena and beyond. Much of it makes its way to the tables of local fine dining establishments within the space of the same day. There is plenty to look at and taste, including local street food and multiple succulent varieties of tropical fruit you're unlikely to have encountered before.