Source: Fishki Via Archibase
World's Deepest Water-Filled Sinkhole - El Zacatón Cenote
World's Biggest Hole
Aug 22, 2007
Mini Wonderland Hamburg's warehouse district is home to one of the world's largest model railway tracks. Every half hour, day turns to night in this miniature world. This is one of the biggest mock-up railways of the world. Over 450 railway carriages with more than 7,000 trailers, 50,000 trees, 30,000 figures, 10,000 cars, 5,000 meters of track, 3,000 houses & plenty of bridges.