A light burns eternally in a field in Turkmenistan. The Gates of Hell crater has been on fire continuously since 1971, creating a bizarre tourist attraction.

The ECCO camper concept RV by design firm NAU is a sleek, streamlined, zero-local-emission RV that's more winning than any old (or new) Winnebago.

Traditional rural architecture like farmhouses, barns and carriage houses are converted into bright, modern, livable homes that retain a sense of history.

Ancient paintings estimated to be 32,000 years old, found in a cave in France, are explored by director Werner Herzog in the film 'Cave of Forgotten Dreams.'

Plastics are a big environmental drain, but we depend on them for so much. This alternative is better for the Earth but would cost the same to produce.

Among the 42 sites considered for inscription on UNESCO's World Heritage List this June are 10 new natural properties deserving of appreciation and protection.

Growing rapidly in diverse climates, bamboo proves to be an ideal sustainable low-cost building material for these 13 structures, from restaurants to schools.