They took in the scenery along the way and only arrived two weeks later.
Tips
history
From the Song Chan Buddhist record 《景德传灯录》: a student asked "What is the self?" and the master replied "Go and wander the mountains and rivers." The phrase entered common speech as shorthand for carefree travel.
register
Neutral to slightly playful. Can carry a hint of reproach when contrasted with work or duty ("not here to sightsee"). 旅游 is the plain, modern equivalent.