Falling asleep under a glass roof and waiting for the northern lights from bed is a dream come true. We've picked the 8 best glass igloos and aurora cabins in Finnish Lapland, compared prices and locations, and share when to book and what to realistically expect.

Santa Claus Village on the Arctic Circle is the most-visited spot in Lapland. We'll tell you what's free in the grounds, how much a photo with Santa costs, when to come without queues, how to get there from Rovaniemi and what to fit in from Santa's post office to the icy SnowmanWorld.

How much the London Eye costs, when to go for sunset and whether it's worth it — or if you'd rather try the free, higher Sky Garden. An honest guide.

How much do Westminster Abbey tickets cost, how to get in free via Evensong, and whose tombs you'll find here — from Elizabeth I to Stephen Hawking, plus a Czech connection.

Entry to the British Museum is free, but you won't see it all in a few hours. We'll show you a highlights route — the Rosetta Stone, mummies, Parthenon Sculptures — and how to dodge the crowds.

Crossing Tower Bridge in London is free — you only pay for the towers with the glass floor. Here's when the bridge lifts, how much entry costs, and how not to confuse it with London Bridge.