A remarkable underground city, believed to have been built for security as well as water access, has been discovered beneath ...

Crane, R-Ariz., and Rep. Lou Correa, D-Calif., introduced the Subterranean Border Defense Act to require an annual report on the federal government's knowledge of illegal underground border-crossing ...

The sewer systems of Florida are teeming with an “abundance” of alligators, racoons, and a dozen other animals using the drain pipes to traverse the city, scientists reveal in a new study.

This article explores these hidden treasures, uncovering their beauty and importance. At over 24 kilometers long, Postojna Cave is Slovenia's most visited attraction. Guided tours are offered through ...

Endangered salamanders threatened by sprawling suburbs will get car-free access to small stretches of the Greater Toronto Area this month as they emerge from their subterranean winter shelters and jou ...

Ħal Saflieni Hypogeum is a unique underground burial complex on the island of Malta that covers 500 square meters (5,381 square feet). It became a UNESCO World Heritage Site in 1980, owing to its ...

Endangered salamanders threatened by sprawling suburbs will get car-free access to small stretches of the Greater Toronto ...

Pexels Let’s face it, your average watering hole just doesn’t cut it anymore. We crave experiences, not just beverages. We ...

This is the time of the year that house and building owners must keep a watch out for swarms of both native and introduced ...

In the arid mountains of northern Oman, rocky caves hold pools of water. Naturalists were exploring these subterranean lakes in the Al-Hoota cave in 1980 when they discovered a white, eyeless fish. It ...

In the Archaeological Park of Ostia Antica, a mikveh, a Jewish ritual bath, has been identified during excavations carried ...

The bill highlights the growing need for additional oversight of the vast tunnel system into the U.S. Since 1990, more than 140 tunnels have been found leading into the country.