One of the park's largest sandstone formations is known as the Sentinel.

VOA: special.2009.04.15

One of the largest mountains in the park is called the Sentinel.

VOA: special.2009.09.28

"Micheletti really feels he is the sentinel at the gate, and that he is representing Western values,".

VOA: standard.2009.10.23

In eighteen forty-four, the Republican Sentinel of Virginia wrote this about the opposition party: "The Whigs may attempt to belittle our candidates ...

VOA: special.2010.08.08