Evening activity that's not theatre

[concernedforthefuture]

I'm working in London next month and am looking for ideas for things to do in the evening that's not your run-of-the-mill theatre (as I have a few shows already booked).
It will be myself and a colleague / friend (both female, in our early 40s) and we finish work at 5. Can't be a very late night (no later than 10:30-11 finish).
Looking for something a bit different: an activity that we probably wouldn't do at home (we live in the country). A dining experience, seasonal exhibition, something adventurous, a late night event at a museum, a tasting experience etc.

[Artesia]

Wildlife photographer of the year exhibition at Natural Hirtory Museum. It’s fab!

[StoatofDisarray]

Cocktails at One Aldwych!

[concernedforthefuture]

Thank you both. I'd forgotten about the wildlife photographer exhibition- I went many years ago and loved it. And cocktails are always fab!

[Blibbyblobby]

Dennis Severs House by Spitalfields Market

Junkyard Golf (an indoor crazy golf bar!) by Brick Lane

Turkish food on Green Lanes (nearest tube is Manor House or Turnpike Lane)

A drink in the bar on top of One New Change, eye level with St Paul's dome