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David O'Doherty joins Joe for a Costa del stroll along the Caminito del Rey, before drinking from a 100-year-old barrel, enjoying a spot of dolphin watching and visiting Pablo Picasso's birthplace.

Joe and Alex Brooker make a splash in Rotterdam on their Wikkelboat floating homes, before taking a rooftop tour, tickling their tastebuds with fermented flavours and having a go at pinball.

Joe and Phil Wang take in Washington DC's wonders, as they tick off the world's biggest obelisk, Barbie Pond, a secret door experience and a signature Gin Rickey.

Rose Matafeo and Joe get up to mischief in Malmö, as they visit the world's first twisting tower and the Disgusting Food Museum, and sample a selection of insects and a spirit made from beaver glands.