Also known as Bangkok's green lung, this 3,089 sq-kilometer stretch of greenery is Bangkok sans big buildings, mass traffic and giant crowds. Step off the boat and onto the what feels like a tropical island miles away from the big city with all its lights and pollution. Rent a bike for almost nothing and cycle the pathways that wind into the wet, untouched jungle. 

How to get there: While you can take a taxi directly there, you're likely to run into heavy traffic. Instead, tell the taxi driver to drop you off at either the Klong Toey port. Once there, just tell a staff member that you want to cross the river to Bang Krachao, and wait for the next ferry.