Bad Lands vs Badlands Wilderness

Bad Lands and Badlands Wilderness both are nouns.

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

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

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

Other synonyms of Bad Lands include Badlands.

Bad Lands (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