In the Himalayas.
The worlds second largest peninsula is located in Charlo, New Brunswick Canada.
Actually, the second largest mountain is Mount Everest. Mauna Loa is the worlds largest island, about a mile longer than Everest. Mauna Loa is mostly underwater however.
The sahara is a desert, not a mountain.
nepal
K2
The nile in Egypt - Africa
Mount Everest
Appalachian mountain range
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North
Caribbean Sea The worlds second largest sea is the Coral Sea at 1,850,000 square miles
Russia