These structures were first described as trail markers in the 1553 Cronicas del Peru by Pedro Cieza de Leon. For 10 points each:
[10e] Name these geoglyphs found in their namesake desert in southern Peru that include a hummingbird and spider. Some people think that aliens made these geoglyphs, as they can only be seen in full from above.
ANSWER: Nazca lines
[10h] Ancient alien theorists have speculated that golden artifacts made by these people of pre-contact Colombia depicted jet planes. These people were centered on the Cuaca River north of the territory of the Muisca.
ANSWER: Quimbaya
[10m] Alien theorists have also claimed that these objects were beamed to their current locations by UFOs. These objects were likely “walked” to their locations with ropes and topped with a red-tinged pukao knot.
ANSWER: moai [or Easter Island heads]
<Other History>