This little town is home to unimaginable experiments and technologies.

Can we detect evidence of a prior advanced civilization?

Get your popcorn ready, it's a Discovery stream-a-thon!

Halloween is here, which means now is the time to explore the creepiest places in the world. What we weren't quite prepared for, though, was just how many terrifying churches made from human remains there were out there. These five sacred buildings are straight out of a doom-metal video.

Want to climb a mountain but don't know where to start? Discovery is here to help with five great mountains in North America that are great for beginners. These ranges range in difficulty from basic hiking to rock and ice climbing.

Join Discovery as we explore five of America's most extreme destinations: Denali, Alaska (highest peak); Death Valley, California (hottest, driest, and lowest); Prospect Creek, Alaska (coldest); Mt. Waialeale, Hawaii (wettest); and Paradise Visitors Center on Mount Rainier (snowiest).

In the northernmost region of Finland, Lapland is the place to be to see a real winter wonderland... and Santa Claus!

International mysteries, vintage maps, hidden treasure… Explorers Justin and Emiliano are on the case.

Carved into soft stone cliffs, the ancient sandstone city of Petra was built in the 3rd century BC by the Nabataeans. These people were a nomadic Arab tribe–Bedouins–who roamed the Arabian Desert in search of pasture and water for their herds.

The world’s longest cave system is a gargantuan labyrinth of 420 miles of twists and turns and nooks and crannies, with limestone travertine stalactites dripping from the ceilings.

At the northernmost tip of California lies the southern end of the dramatic Cascade mountain range. And the crowning glory of the range, which ripples down through British Columbia, Washington, and Oregon, before it comes to a stunning crescendo at Mount Shasta.

The Philippines is an island country in Southeast Asia, consisting of over 7,000 islands and islets. From rolling chocolate hills to caves and beaches for exploration, the Philippines has many places to explore and learn about!

Panama is often overlooked for its more famous neighbors Colombia and Costa Rica, who are renowned worldwide for their biodiversity, colorful cultures, and jaw-dropping scenery. But Panama, which links Central and South America, has a few of its own gems to offer – including the 1,400-plus islands that dot its coast.

Wild beaches, snow-capped mountains, dense woods, and lush rainforests can be found across America. But did you know that they can all be found within Washington’s Olympic National Park?

A powerful new cosmic ray scan of the Great Pyramid of Giza could finally reveal what’s inside two voids in the structure that have baffled scientists for years.