London

Free Views at the Tate Modern (Because Otherwise Why Would You Bother)

The Tate Modern, on the south side of the River Thames, offers modern art lovers one of the world's greatest collections of the medium. And for the rest of us, a free 10th floor observation platform that's very existence angers the locals.

Free Views in the Financial District

London offers multiple observation decks, but none offer as great (free!) views as do these two buildings in the heart of the City.