Flush against Kensington Gardens, Hyde Park is probably London's most familiar and most popular park. It's more than a mile square and includes Serpentine Lake, Marble Arch, the Diana Memorial Fountain and the well-known (and still-used) Speaker's Corner. The British take pride in freedom of expression, and this park is where orators show up to speak their minds, usually to crowds of tourists. Popular recreational activities in Hyde Park include rollerblading, football (soccer), and lawn bowling. A must-see for London visitors.