With bitcoin you cant travel yet ,you can buy things online like video games on g2a I like that i get so cheap video games like counter strike global offensive for only less than 0.01 btc 
,also yo can trade with bitcoin,sell goods for bitcoin,gamble with bitcoin and many other things.
What exactly do you mean with that you can't travel with Bitcoin? That you can't book a flight with Bitcoin? If so, then you're wrong. You can book flights with Bitcoin. ,also yo can trade with bitcoin,sell goods for bitcoin,gamble with bitcoin and many other things.
If you want you could even use a Bitcoin related debit card to finance your entire trip. As long as stores and hotels (which most of them surely do) accept Visa and MasterCard payments, you'll be good to go.