There are several challenging airports around the world. The Discovery Channel did a nice job in a 1 hour show documenting the top 10 most dangerous airports.
Here is a youtube clip showing some impressive video:
Also, check out this other youtube video:
Bush pilots and Jungle pilots probably are the most exposed to strange places to land. Some are on hillsides, some are on river beds, some are in tiny patches of clearing in a dense jungle. Usually, the problem with a landing spot is taking off. It takes more energy and runway to take-off than to land. So, pilots in the Bush don’t wan’t to get stuck where they can’t take off.