Most Complicated Interchange (Judge Harry Pregerson Interchange – Los Angeles)

The Judge Harry Pregerson Interchange is situated in Los Angeles, CA, and is one of the most complicated interchanges in the country. It permits entry and exit in all directions between the I-105 and the I-110. It's a stack interchange with layers of bridges making a complicated network of roads allowing smooth flow of traffic though both the interstate highways. This interchange was opened in 1993. It is a 4 level interchange with a restricted access lane that can be used by high-occupancy vehicles.

World's Largest Roundabout (Putrajaya – Malaysia)

Not many people realize this when they are driving around Putrajaya, especially near the Prime Minister's office. Try to clear your mind and observe while you are driving, and you will soon realize that you are indeed driving along the potentially largest roundabout in the world. Malaysia Boleh!

The main reason people don't take note is because they tend to think it is just a hill. The circumferential length of this roundabout is approximately 3.4km, and the road that circumvents it is Persiaran Sultan Salahuddin Abdul Aziz Shah

Biggest High School in the World

The Rizal High School in Caniogan, Pasig City (eastern Metro Manila) is said to be the world's largest high school in terms of student population. The school has more than 20,000 students.

10 Busiest Passenger Airports in the World

Since 1998, Hartsfield-Jackson Atlanta International Airport in the United States has been the world's busiest passenger airport. Numbers represent the number of passengers enplaned and deplaned with passengers in transit counted only once.

1. Hartsfield-Jackson Atlanta International Airport - 90,039,280

2. O'Hare International Airport (Chicago) - 69,353,654

3. Heathrow Airport (London) - 67,056,228

4. Haneda Airport (Tokyo) - 65,810,672

5. Paris-Charles de Gaulle Airport - 60,851,998

6. Los Angeles International Airport - 59,542,151

7. Dallas/Fort Worth International Airport - 57,069,331

8. Beijing Capital International Airport - 55,662,256*

9. Frankfurt Airport - 53,467,450

10. Denver International Airport - 51,435,575

Jambatan Terpanjang

Umangai....i thought this would be an easy one, but...
The general rule for judging the longest bridge is the length of the span, so the according to this rule the winner is:
Name           :      Akashi Kaykio
Location       :      Kobe, Japan
Date Built     :      1998
Span            :      1991 Meters - 6532 Feet

Akashi Kaykio

 Lake Pontchartrain Causeway in Louisiana is the listed in Guinness Book of World Records as the longest bridge at 23 miles 1538 yards. The bridge is supported by 9500 pilings, thus does not meet the requisite of the longest span.

Lake Pontchartrain Causeway