1. Intelligence Squared
Possibly the world's premier debating forum, Intelligence Squared pull in the biggest names with the sharpest minds around.
2. Do Lectures
Do is all about interesting people. Past topics have included: an ode to a bicycle, trusting in the things you love, and doing things the long, hard way.
3. Gifford Lectures
Free online, ed.ac.uk
The Gifford Lectures at Edinburgh University were started in the 19th century as a means to advance philosophical and theological thought.
A couple of times a week, you can join art researchers for a 15-minute talk on their favourite work in the sumptuous collection.
5. Ulster Museum
Ulster Museum has talks on The Golden Age of Dutch Painting, Irish and Street art. On Sunday the lectures acquire a more political focus.
6. Royal Academy of Arts
The RA's strength in lectures comes in architectural history. Expect the likes of Stephen Poliakoff lecturing on the Natural History Museum.
7. LSE Burning Issues
This mini series of lectures does exactly what it says on the tin, discussing topics from the right to die, to parasites in the developing world.
The famous lecture series' website has become a behemoth, with more than a thousand videos on a massive range of topics.
9. Royal Geographic Society
Prices vary, rgs.org
The RGS's talks are a treat. Be sure to keep your eye out for club president Michael Palin's "Michael Meets..." series.
10. ICA Talks
The Institute of Contemporary Arts has lectures ranging over visual arts, music and cinema. The weekly lunchtime Culture Now talks are a real highlight.