Here's a picture of a green lake. Look in the foreground. You can actually see the stones on the bottom. You can also see people walking on a boardwalk on the far side of the lake.
This park is a UNESCO World Heritage site. You start your hike at a section of narrow waterfalls.
After hiking for a couple of hours you come to a couple of lakes which you must traverse by ferry boat.
Him: How much?
Her: 200 kuna (Croatian currency, of which we had 0)
Him: How much in euros?
Her: We don't take euros.
Him: Do you take credit cards?
Whoops. We all looked at each other guiltily over the tops of our ice creams. No money to pay and we were already eating them. I have never done that in my life.
We were a long way from civilization. It wasn't like we could find an ATM.
Fortunately, we didn't get arrested. She begrudgingly took the euros. Elsewhere in Croatia, everyone took euros which is why we didn't buy the local currency. Live and learn. The ice cream was delish!
This park is beautiful, pristine, and very well maintained. The Croatian people have worked hard to rebuild their country after the war, and I commend them for the beauty they've protected.
Of course, I had to set a story in Croatia. It's called Love Charm for Gillian. Here's the white cat leading the way to the seaside bar where Gillian is recovering from heartache when an adventurer wanders in...