Known as the Blythe Intaglios, the ancient drawings of humanoid figures and animals may be thousands of years old.
Check out the Liu Gang map that shows the Chinese had a sophisticated understanding of the Earth's geography going back centuries.
Pictured is a reconstruction of the mysterious Antikythera Mechanism, believed to be an astronomical instrument of great precision.
George Knapp shares a number of items that have recently caught his attention including a report on a study that says sound waves can be used to levitate objects.
Amateur satellite archaeologist Angela Micol spotted mysterious, pyramid-like structures in the Egyptian desert.
The paws of an ancient Egyptian sphinx have been discovered at a site in Israel north of the Sea of Galilee.
Using advanced laser technology and braving terrain that included landmine-infested jungles, an archaeological team has uncovered the remains of a 1200-year-old city on the Cambodian mountain of Phnom Kulen
A 55-million year old fossil found in China is the oldest primate yet discovered.
An ancient Mayan pyramid in the Central American country of Belize has been bulldozed to make road fill.
Geologists have found granite rock samples off the coast of Brazil that were likely part of a continent that sunk into the Atlantic ocean around 100 million years ago.
Hundreds of mysterious metallic orbs have been uncovered buried beneath an ancient pyramid in Mexico City.
Update your resumes, Coast fans, because the owners of Stonehenge are looking for a general manager for the revered esoteric landmark.
George Knapp shares a number of items that have recently caught his attention including an article about the authenticity of the Shroud of Turin.
35 small pyramids have been discovered at a site in Sudan. The structures, which date back around 2,000 years, include some with a circle built inside them.
Philip Coppens, commentator on the History Channel's Ancient Aliens, and past Coast guest, has passed away.
While many small towns have peculiar claims to fame, the village of Shingo in Japan may have the most Biblical boast as it is the alleged final resting place of Jesus Christ
A 2,750-year-old temple has been unearthed by archaeologists at the Tel Motza site near Jerusalem.
French authorities are closing access to a mountaintop location, Pic de Bugarach, on December 21st, as it is rumored to be one of the few safe spots on the planet, when the Mayan calendar cycle ends, and they want to avoid a deluge of believers,...
Archaeologists in Italy have unearthed the skeleton of a man from ancient Rome who suffered from gigantism. The massive Roman would have stood six feet, eight inches tall, an astounding two feet more than the average height of his fellow countrymen.
Joe Taylor sends a drawing of a giant skeleton, with a cast of a giant 47-inch femur on top it (next to a modern-sized femur).
Pictured is a replica Stone of Destiny, which is also known as the Stone of Scone.
As an exclusive for Coast to Coast, Marshall Masters has provided the following graphic to accompany his appearance on the 10/6/12 show.
A number of items have caught George Knapp's attention in the last week, including a story about an ancient Buddha stature that was carved from a meteorite (pictured).
A fragment of 4th century papyrus (pictured) written in Coptic contains the phrase "Jesus said to them, 'My wife...' " according to Karen L. King, a historian at Harvard Divinity School.
A team of scientists has accomplished a stunning technical achievement by sequencing the entire genome of a Siberian girl who lived more than 50,000 years ago.
Google is expanding its popular Street View feature to include dozens of 360-degree interactive photos of ancient Mayan ruins.
A modern day Noah's Ark, built using measurements described in the Bible, has opened to the public in Holland.