Designed as a "living museum," the house is arranged to make visitors feel as if they've interrupted the residents. You'll see burning candles and uneaten meals, and you'll even hear voices. Read more.
Housed in a former Power Station beside the Thames, Britain's national museum of modern art displays everything from Picasso to Warhol. Entry is free but special exhibitions will require tickets. Read more.
At 1.5 miles long and about a mile wide, Hyde Park is one of the largest of London's Royal Parks. The Joy of Life fountain is a popular spot for splashing around in when the weather heats up. Read more.