<h2>Palmer Peninsula
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Antarctic Peninsula, also called Palmer Peninsula, Graham Land, or Tierra de O'Higgins, peninsula claimed by the United Kingdom, Chile, and Argentina. It forms an 800-mile (1,300-km) northward extension of Antarctica toward the southern tip of South America.
If I correctly understand your question, the first coordinate "29°N 98°W" is located in the following:
City: Falls City
Country: United States
Continent: North America
An for the second coordinate "19°N 99°W:"
City: Tlalnepantla
Country: Mexico
Continent: North America