A cheeky name for an observatory visitor's center.

Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

A walkable map of the world, made from soil and stone by one man.

An abused and forgotten metropolis, abandoned for centuries.

The most isolated mailbox in America lets desert travelers record their passing.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

Known as the most dangerous bridge in the world, the Hussaini Hanging Bridge is only one of many precarious rope bridges in Northern Pakistan.

The remains of what was, not so long ago, the world's largest city.

An ancient stone fortress considered by many to be the eighth wonder of the world.