Source: Wikipedia
Look at a map of the Amazon and something is missing, though it takes a moment to notice. The river runs roughly 4,000 miles from the Andes to the…
Canyons are slow arguments between rock and water, and the winner is always the water given enough time. What varies is the rock, the climate and how long the argument…
Hot springs occur where groundwater meets heat from the Earth's interior and returns to the surface, which is why they cluster along volcanic belts and fault lines. What differs enormously…
Source: Wikipedia
Mount Rushmore is among the most photographed monuments in the United States: four presidential faces, each roughly 60 feet tall, carved into granite in the Black Hills of South…
Petra, in southern Jordan, is not an obscure site. It was the capital of the Nabataeans, a trading people who carved and built a city into rose-coloured sandstone at a…
The Colosseum is the most recognizable building surviving from the ancient world, and one specific claim about it has proved unusually durable: that the Romans filled it with water and…