A 4-hour route through a swamp in north Berlin with amazing wildlife and some historical bonus points. Bog bodies anybody?

In a pinch for time? Check out this 2 hour loop from Grunewald with a historic bonus: SPY STUFF!

“After a lovely ramble along the waterside we couldn't find the indicated river crossing on the map - to discover it's a ferry! So yep, we got a boat too. What a day.”