The Lake Agnes Tea House in Alberta’s Banff National Park opened to hungry and thirsty hikers in 1905. This is no simple rest stop with only Lipton on hand. Instead, expect everything from 100 Monkeys white tea to Bora Bora mango rooibos. When it’s open during the warmer months of the year, the Lake Agnes Tea House offers 100 types of tea and a full snack menu, with everything prepared on propane. Up this high in the mountains, there’s no electricity, road, or running water. Staff have to hike supplies…