The Lake Pontchartrain Causeway, or the Causeway, consists of two parallel bridges crossing Lake Pontchartrain in southern Louisiana, US. The longer of the two bridges is 23.83 miles long. Since 1969 it was listed by Guinness World Records as the longest bridge over water(continuous) in the world. THIS is nightmare fuel for me. Nothing but bridge and water . i would be scared to death
Ningaloo Reef is Australia’s largest and most accessible fringing reef. Here you simply step straight off the dazzling white sandy beaches and enter an underwater wonderland of incredible diversity. Ningaloo Reef extends 10 nautical miles seaward and encompasses over 5,000 square kilometres of ocean.