The tunnels of Cu Chi hide an entire world including classrooms, kitchens and medical facilities underground. Today you can see the tunnels from above and even try to go down one, so as to better understand the hardships that Vietnamese soldiers had been through during wartime. One is left utterly amazed by the determination and endurance of those who dug through solid soil, gravel and sand to construct this 200-kilometer (125 miles) long underground network.

Pollino National Park, a sanctuary spanning the southern Italian regions of Calabria and Basilicata, cradles a realm of rugged beauty. Amongst its mountainous embrace, meandering trails and rivers, including the mesmerising Raganello River with its dramatic gorges, unfold beneath a canopy of pine trees. Here, the elusive Bosnian Pine thrives exclusively, a testament to the park's uniqueness. Amidst these wonders, nature's grandeur intertwines with archaeological marvels, crafting a haven of unparalleled allure.

Stuttgart has the second-largest mineral water reserves in Europe, just after Budapest. In Bad Cannstatt, 19 springs produce around 44 million litres of mineral water daily. Locals have been using these waters for centuries, and today, three public mineral spas keep the tradition alive: DAS LEUZE, Mineralbad Berg, and SoleBad Cannstatt. DAS LEUZE is the most modern of the three, with indoor and outdoor pools fed by natural mineral springs, a large sauna area, and a dedicated children’s section. It’s located right by the Neckar River and easily accessible via public transport.

Experience authentic Muay Thai in the country where it was born, at one of Bangkok’s most historic venues. Rajadamnern Stadium has been hosting electrifying bouts since 1945, and remains a legendary place to see the ‘art of eight limbs’ in action.