Albuquerque is no stranger to fractals. The city is home to the Fractal Foundation, features fractal billboards around town, and even has a fractal ...

In Manaus, a sprawling city of more than 2 million, the depth of the Rio Negro, a major branch of the Amazon River, reached ...

Looking for some bucket-list travel ideas? You can't go wrong with these natural wonders—though you might not believe your eyes, even when you're right there.