Liza Tarbuck joins Chris in Canada to experience Niagara Falls, with Chris especially excited to experience a wonder that actually makes a noise.

Chris travels to the ancient city of Petra in Jordan with Guz Khan, where floating, haggling, camel riding and some unique descriptions from Guz await.

Chris and Tom Allen take a trip to Rome, where the pair take on gladiator training and pasta making before Tom tries to convey the majesty of the Colosseum to Chris.

Chris heads to the Greek capital Athens with comedy legend Harry Hill, where the pair try their hand at Olympic sports and pottery making before Harry tries to describe the Acropolis to Chris