Do you need ideas for what to do in carlsbad nm Even though Carlsbad is full of attractions, the natural world seems to be the city's main draw. This city and its surrounds are undoubtedly worthwhile for travelers who enjoy hiking, adventure, and the outdoors. Everything from mysterious caves to steep mountain treks can be found here. The most well-known attraction in Carlsbad is the Carlsbad Caverns, which attract visitors mostly because of their stunning caves.