Image: Threat to Democracy/Flickr
The Wow: A living ruin of 170 oval-shaped raised stone terraces cut into the jungle hillside. Visiting its ancient beauty requires an arduous six-day trek (four days up and two days back).
Why Now? In recent years, Colombia has been enjoying a mini-tourism boom, and the number of backpackers, travelers, and adventurers who wish to make this trek has exploded.