U.S. News Insider Tip: Go early in the morning for crisp air and fewer crowds. Afterwards, head southwest to Greenwich for some food and shopping at Greenwich Market. – Marisa Méndez, Senior Editor ...

You can't quite beat a cocktail and a sunset view, and the O2 offers panoramic views over the city of London. I’ve lived in London for most of my life, but I’ve rarely made it down to the O2 Arena. In ...

London's O2 Arena satisfies your entertainment needs within its confines. However, atop of this massive structure is a sort of a training-wheels version of mountain climbing. This is perfect for the ...