The onyx black sand of Reynisfjara is formed from volcanic activity in Iceland: when lava collides with the ocean, it rapidly cools and shatters into small fragments of basalt. With its enormous basalt stacks (features in Game of Thrones and once believed to be petrified trolls), roaring Atlantic waves and stunning vistas, Reynisfjara is widely considered to be the most beautiful example of Iceland’s black sand beaches. The sea stacks along the shore are home to thousands of nesting seabirds like puffins, fulmars and guillemots — a must-see for birdwatchers. A visit to Reynisfjara is included in most tours of southern Iceland. Driving here is a good option, too, since it's only about 180 km from Reykjavík.

In the north of the city, just off the street, local vendors line up their stalls full of fresh fruit, vegetables, fish and meats. Flocks of tourists from the world over come here to live one day like a local and to gain insight into Thai offerings.

This walled fortress boasts 2000 years of history. Originally a Roman fort, the castle was rebuilt after the Norman conquest and served as a keep until the 18th century, when it became the home of the Bute family, who renovated it in Gothic Revival style. You can walk around the Norman keep, discover the Roman foundations and take a guided tour around the grand apartments with their gilt ceilings and murals.

Each year the Yi Peng tradition turns the city of Chiang Mai into a sea of floating lights. Hundreds of paper lanterns are sent to the sky in order to celebrate Buddha and to bring luck and happiness to the people. You shouldn't miss out on this spectacular event which usually takes place on the full moon of the 12th month of the Thai lunar calendar (usually in November).