The Castle Trail is the park's largest maintained ... perhaps one of the most memorable and popular hikes within Badlands ...

Badlands National Park is full of geological oddities, but the 1.5-mile-round-trip Notch Trail is one of the best treks in the South Dakota park. There's something distinctly eerie about the Badlands.

According to the Pennington County Sheriff's Office, Maxwell Right of Missouri died after he ventured into an unmarked trail that ... an unmarked area of Badlands National Park in South Dakota ...