The longest fingernail ever was...
worlds longest toenailes
The worlds longest road bridge is in China
The Guinness World Records website has categories for longest fingernails (female) and longest fingernails (male). The site also includes prior holders of the title(s).
The Worlds Longest limo is 100 feet long ( 30 meters )
Hebesberger UT (Rossleithen) has the longest tunnel
The longest nipple had 4 or 5 cm
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.
the river amazon is the worlds longest river