During their visit, travelers should check out the Rainbow Mountains at sunset when they are most breathtaking. The Rainbow ...

Put simply, a romantic getaway in the Blue Mountains is perfect for lovestruck moments at any time of year ... Our tip is to set off for golden hour to watch the sunset at the wine barrels overlooking ...

but pollution particles can cause a deep red sunset. The Chilean city of Santiago (at the top of this page) offers a great example: it sits in a valley ringed by mountains, and is regularly choked ...