A major tourist attraction in Sequoia National Park that has been closed for the past four years will reopen this summer, and ...

If you love sea lions, make sure you bookmark this sea cave in Oregon. Close to the City of Florence, you'll be in awe at the ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about a mysterious group of extinct predators.

The largest cave in the northeastern United States is expected to become Pennsylvania’s 125th state park and first underground park. During Gov. Josh Shapiro's proposed budget address Tuesday ...

World Largest Cave: Mother earth never stops to amaze us. The deeper we go, the more we discover know about it. From forest to rivers to oceans to mountains – there are many such natural bodies ...

They had crawled into Cave of the Winds ... The rest of us explored below, pressing forward, sounding the planet’s largest known enclosed space. Overhead the swifts chattered and bickered ...

Take an otherworldly journey through Hang Son Doong, the world's largest cave located in Vietnam. The cave is more than 500 feet tall, 650 feet wide, and 29,500 feet long. Video courtesy of Ryan ...

Note: As of December 2024, the park is closed until further notice. The Camuy River flows through the third largest cave system in the world — so extensive, in fact, that it underlies parts of ...