There are two ways to see the Nazca Lines: from an airplane tour and from an observation tower. The tower is accessible from the Pan-American Highways and allows for views of two mysterious shapes from above: hands and a tree. Bus tours often stop here for a look at the lines, but those with more time and a bigger budget may want to book a flight. Air tours typically last 30 minutes and fly over 15 shapes, including the famous geoglyphs of a dog and an "astronaut." It’s best to book in advance, as flights to this top attraction fill up quickly. Guided day trips around Nazca can include stops at local attractions including Huacachina Oasis.