China has unveiled an underwater structure that doubles as a bridge, complete with man-made islands This colossal bridge-tunnel is designed to connect two major cities via a staggering 30.8 miles ...

Scientists recently uncovered a remarkable find beneath the Mediterranean Sea: an underwater bridge inside a partially flooded cave on the island of Mallorca. This ancient structure, hidden for ...

One of the earliest floating bridges was constructed by Persian Engineers by parking 676 ships in two parallel rows to help Xerxes's army cross the Hellespont. Since then, floating bridges have ...