thyroid gland.
i personally don't know the answer to this question
the longest teleferic in the world is located in Merida, Venezuela, not in the US if thats what you meant by "in what state"
Panama.
The Amazon River is not the longest river The Nile river is.
The isthmus of Tehuantepec is located in southeast Mexico.
The longest rock tunnel in the world is located in the New York City.
The Isthmus of Panama is the large isthmus located in Central America.
The Isthmus of Tehuantepec http://www.britannica.com/eb/article-9071555/Isthmus-of-Tehuantepec
The Isthmus of Kra is an isthmus located in Asia. Another one is the Caucasus region which connects Asia to Europe.
Panama City, Panama San José, Costa Rica
Wadi -e- hanfia is the longest valley!
The isthmus that connects Colombia and Central America is the Isthmus of Panama. This narrow strip of land extends from north to south, separating the Caribbean Sea to the east from the Pacific Ocean to the west. It is a strategic location for trade and transportation between the two regions.
rohd triboki isthmus is the largest isthemus in the world .
The Isthmus of Panama connects South America with countries north of Panama. The Isthmus of Panama is located in Panama, which is part of Central America.
Canada, which has the longest coastline in the world, is located in North America.
South America