Enjoy a free outdoor art exhibition that stretches eight kilometers, linking Queen Elizabeth Olympic Park with The O2 center.

(CNN) — Here’s a look at the London Underground, also known as “The Tube,” the oldest subway or metro transit system in the world. There are currently 272 stations open and 249 miles (402 km) of ...

The extension of London Underground’s East London Line, a key part of the 2012 Olympic Games plans, should be able to avoid the pitfalls of previous big infrastructure projects and open on time, ...