The best commencement speeches are poignant, and make an impact. We count down the century's greatest speeches.

Bokor Hill Station was once a thriving French resort town. The town has since been abandoned, leaving behind the eerie, haunted ruins of a war-torn land.

Few places are as bizarre and spectacular as Cappadocia, Turkey. This ancient land was once a thriving underground community of people who lived in caves.

Aerial photography guru Alex MacLean captures extraordinary images by sticking his hand out the cockpit window of his Cessna 182 plane.

Over the course of 7 years, photographer Dana Lixenberg shot homeless individuals from Jeffersonville, Indiana in this transfixing series.

Photographer Andrew Newey captures the Gurung honey hunters as they extract wild honey from cliffs, a sacred tradition that has taken place for centuries.

Supernovae are so brilliant that they can radiate as much energy as the sun will in its entire life, and can outshine whole galaxies for periods of time.

Each day, millions of golden jellyfish follow the sun and migrate across the beautiful Jellyfish Lake on a remote island in the Pacific Ocean.

From pirated fashion to food on-demand, we count down the five most significant ways 3D printing technology will change the world!

Take a tour of weird cars from all over the world, including ridiculous banana cars, upside down buses, a Mercedes covered in diamonds and the world's first flying car.

From lightning to rainbows to a polar vortex, the world's craziest weather conditions have shaped ancient folklore.