To commemorate Lucky Penny Day, we uncover the lengthy (yet intriguing) history of the American penny, which was first created in 1787.

The sinkholes of the Yucatán Peninsula are full of treasure: incredible dives, Maya artifacts, ancient human sacrifices, and the most unbelievable sight of all — an underwater river.

Villa Epecuén was a thriving resort town in the 1970s, but after being flooded by saltwater, the city is now little more than concrete ruins.

Cockroaches, caterpillars and blood-sucking bugs that live in your bed -- these seven creepy insects are guaranteed to give you nightmares.

Created by pouring molten aluminum into an ant colony, artists uncover realistic, bizarre anthill art molds.

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

Artist Severija Incirauskaite creates incredible cross-stitch metal art by embroidering various metal objects such as spoons, pails and even cars.

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.

Concept designs of the Hive-Inn have people excited. According to designers from Hong Kong-based OVA studio, the innovative hotel is 100 percent sustainable

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