25,000 miles long · All Facts

25,000 miles long
The Inca Empire built a road network over 25,000 miles long — longer than the Roman road system — through some of the world's most difficult terrain.
SrcSmithsonian

Next evidence →10% of all species on EarthThe Amazon Rainforest is home to 10% of all species on Earth — and scientists discover new species there almost every day.

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More in South America

dilutes the ocean's saltinessThe Amazon River discharges so much water that it dilutes the ocean's saltiness for over 100 miles offshore.
massive geoglyphsThe Nazca Lines in Peru are massive geoglyphs — some over 1,200 feet long — that can only be fully seen from the air. Scientists still debate their purpose.
highest navigable lake in the worldLake Titicaca on the Peru-Bolivia border is the highest navigable lake in the world at 12,507 feet above sea level.
6% of the world's oxygenThe Amazon Rainforest produces about 6% of the world's oxygen and is home to 10% of all species on Earth.

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