Seven Wonders of the Modern World

Channel Tunnel

Known as the Chunnel, the Channel Tunnel links France and England. It is 31 mi (9 m) long, and 23 of those miles are 150 ft (45.7 m) beneath the seabed of the English Channel. High-speed trains whiz through its side-by-side tubes. EQRoy / Shutterstock.com

The Golden Gate Bridge

Connecting San Francisco and Marin County in 1937, for many years the Golden Gate Bridge was the longest suspension bridge in world. Experts thought that winds, ocean currents, and fog would make it impossible to build. It took about four years to complete the beautiful 1.2-mile-long (1.9 km) bridge. It is held by 80,000 mi (128,747 km) […]

Empire State Building