Badlands vs Badlands Wilderness

Badlands and Badlands Wilderness both are nouns.

Word	Noun	Adjective	Verb	Adverb
Badlands	Yes	No	No	No
Badlands Wilderness	Yes	No	No	No

As nouns, Badlands and Badlands Wilderness are synonyms defined as:

Badlands and Badlands Wilderness: an eroded and barren region in southwestern South Dakota and northwestern Nebraska

Other synonyms of Badlands include Bad Lands.

Badlands (noun)	Badlands Wilderness (noun)
an eroded and barren region in southwestern South Dakota and northwestern Nebraska	an eroded and barren region in southwestern South Dakota and northwestern Nebraska