worlds longest toenailes
alligator
The worlds longest road bridge is in China
15 feet
an alligator
On average, an alligator would have the longest tooth ranging from 1 3/4" long to 1 1/2" long.
17 feet 5 inches
Hebesberger UT (Rossleithen) has the longest tunnel
Answer
Australia.
The worlds longest river, the Nile, is in Africa
One of the worlds longest rivers that begins with the letter n is the Nile. This river is in Egypt.