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.
In the Himalayas.
nepal
The sahara is a desert, not a mountain.
K2
Mount Everest
The second largest mountain in Europe is Mont Blanc.
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
The worlds second largest peninsula is located in Charlo, New Brunswick Canada.
canada