Here's a breakdown:

* Badlands: A type of arid or semi-arid terrain characterized by deeply eroded, often barren, and heavily dissected landforms. This creates a landscape of sharp, jagged ridges, gullies, canyons, and peaks.

* Roughly eroded ridges and peaks: This describes the distinctive morphology of badlands, formed by the erosion of soft sedimentary rocks like clay, shale, and sandstone.

Here are some examples of famous badlands:

* Badlands National Park, South Dakota, USA: This park showcases the classic badland topography with its colorful, eroded formations.

* Tsingy de Bemaraha National Park, Madagascar: This UNESCO World Heritage site features jagged, razor-sharp limestone pinnacles forming a unique and challenging landscape.

* Zhangye Danxia Landform Geological Park, China: This park displays colorful badland formations created by the erosion of red sandstone.

Let me know if you'd like to explore specific features of badlands or examples in more detail!