As a Bangladeshi I have a dream cherished inside my heart, but in reality it is not possible to realize my dream. My house is located near a popular bridge in Bangladesh and on both sides of the bridge there are parks and sightseeing spots for travelers. My father has organized a food hotel next to that sightseeing spot. I sometimes spend some time in that hotel between studies. I've been nursing a dream for as long as I've been on Bitcoin forums. If Bitcoin was legalized in Bangladesh, I would take a payment system through Bitcoin with a pizza restaurant.
But my dreams will remain dreams because Bitcoin will never be legalized by the government in my country.
Well for starters, I think you can fulfill this dream by earning enough cryptocurrency and convert it via p2p exchanges to your local currency. In this way, you indirectly used your BTC as a payment to the transaction of purchasing your pizza. Though I am not sure if what you want is to directly transact, this kind of way is the most plausible and convenient way given the current state of BTC.
Personally, my dream is to use my heard-earned BTC all the way to retirement. I hope that its price skyrockets and it will catapult my earnings to retirement plans as it would enable me to purchase my very first house and car in the process.