Take it to the next level.
Egg Coffee, Vietnam
Recipes vary, but the fundamentals are egg yolk + condensed milk + sugar + hot coffee. The result is very rich, like a dessert.
Traditionally served in Kainuu in central-east Finland, a cheese called juustoleipä is served with coffee. The cheese is cut into small chunks and placed at the bottom of the cup, and then coffee is poured on top. After you drink the coffee, you eat the cheese with a spoon.
Kan Kohi, Japan
There are a number of companies producing Kan Kohi (canned coffee) in Japan. It's available from corner shops and vending machines, served hot in the winter and cold in the summer.
Café des épices, Morocco
A blend of spices, like sesame seeds, black pepper and nutmeg (although this depends on the seller etc) is mixed with coffee beans and ground, to create a fragrant and potent brew.