Open House London

Hundreds queue to see the Gherkin. Credit: Reuters

Ever wanted to get a glimpse inside some of London's most iconic buildings? Well this weekend you can do just that.

Open House London sees nearly 800 buildings throw open their doors to the public.

Hundreds of people braved the rain and queued for hours to see one of London's tallest and certainly one of its most distinctive buildings - the Gherkin. The line had already stretched to Leadenhall Street by 10am this morning. But they all told London Tonight is would be worth the wait...