What is the shortest railroad system in the World?

Vatican City has the shortest railroad tracks in the world.

Vatican RR facts:

Vatican city, with being the smallest state in the planet, you would expect to have the shortest railroad system as well. It has only 2,828 feet of track.

Vatican RR

largest railroad system: USA RR facts

The USA has the largest railroad system.
The United States has the largest rail road system in the planet. With about 139,679 miles of track.


highest railroad system: Qinghai Tibet facts

The Qinghai Tibet has the tallest in height rail road lines in the planet.
This railroad from China is 13,120 feet above sea level. This rail road station and its tracks lie at a higher point than any other in the world.

Qinghai Tibet

What is the fastest airplane in the World?

The X-15 is the fastest plane in the skies reaching speed 6 times the speed of sound.
The fastest manned controlled plane or jet is the X-15. It can reach speed of 4,104 mph, that's over 6 times the speed of sound and fly at an altitude of 354 thousand feet. This plane is an experimental plane made in the USA.

X 15

What is the largest airplane in the World?

The biggest and heaviest aircraft in the world today is the An-225.
Made is Russia, this 640 ton the AN225 Mriya aircraft is the heaviest and biggest in the World. This plane is 275 feet in length and can reach speeds of 525 miles per hour. These planes were first built around the 1980's by the Soviet Union.

An 225 Mriya

What is the tallest roller coaster in the World?

Kingda Ka in six flags is the tallest roller coaster in the planet.
When you walk into Six Flags New Jersey you will definatly see this humongous steel roller coaster. At the height of 456 feet this giant coaster is the planets tallest.

Kingda Ka