A hidden room inside Mount Chiliad tied to UFO theories and the infamous mural, finally spotted through recent leaks.

Holes such as this are of particular interest because they might be portals to lower levels that extend into expansive ...

NASA has admitted that an over 300-foot-wide hole in the surface of Mars could be a 'portal' leading to alien life hiding ...

NASA has revealed a 328-foot-wide hole on Mars, potentially a gateway to subterranean caves that could harbor alien life.

A team of NASA-funded University of Northern Iowa researchers is exploring some of the deepest caves in the United States to ...

Cave living is an ancient tradition, and its sustainable nature may give it a promising future. The cave dwellings in Guadix, Spain, are proof of this.

According to Wanderlust, the Phong Nha - Ke Bang National Park captivates adventure seekers with its majestic cave systems ...

For millennia, humans lived as hunter-gatherers. Savannas and forests are often thought of as the cradle of our lineage, but ...

Llandovery is a charming market town in Carmarthenshire, Wales, that's packed with history and has a surprising claim to fame - here's why you should visit.

Shenandoah National Park’s Thornton Gap entrance sits just minutes from downtown, providing access to Skyline Drive – the 105 ...

Built in 1895, Miramont Castle spreads across 14,000 square feet and mixes nine architectural styles from English Tudor to ...