South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

Arguing within this idyllic, circular volcanic lake is forbidden.

A quick and simple solution to Cambodia's train woes.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

Stunning wetlands ablaze with pink lotus flowers.

This serene bamboo walkway allows Buddhist monks from remote temples access to the nearby village.

An enormous Buddha peers through a gap in its ruined chamber.

The long underground cave's curiously shaped stalagmites have inspired many legends.

Buddha shrines hide within dark tunnels at this unique forest temple.

Peek into the world of those creating the beautiful, delicate paper parasols found all over the globe.

You'll never meet anyone this passionate about elephant droppings.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

One of the greatest maze designer’s greatest mazes.