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.
The sahara is a desert, not a mountain.
nepal
K2
The second largest mountain in Europe is Mont Blanc.
Mount Everest
Appalachian mountain range
=== ===
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.
Russia