Brianna Barnes embarks on her tour of London at Buckingham Palace, heads over to the National Gallery, check out the fashionable Spitalfields Market, tours the street art scene, visits the finest shops in to Mayfair and bikes from Regent's Park to the Olympic Stadium. She takes a daytrip to Oxford for a tour of Christchurch, the largest of all the Oxford colleges. Back in London, Brianna speeds off along the Thames River to Greenwich for a look at the Royal Naval College and the National Maritime Museum, then pops over to the Tate Modern, visits stately Cliveden House and the Royal Botanic Gardens at Kew, home to the biggest botanical collection in the world before exploring the delights of Richmond Park on horseback. She concludes her stay in London by taking part in the annual Thames Festival.