Limestone rocks found high on the mountain contain remains of marine organisms that once lived in the ancient Tethys Sea.

This Federal-style townhouse at 412 East 89th Street in Yorkville is a good place to think about spring, with a 20-foot ...

A historic Oak Cliff institution featuring tableside mariachi got a formal nod from city officials recently. Dallas’ planning commission approved a historic overlay (distinction) for the eccentric El ...

Strange limestone towers rise from Mono Lake along this easy one-mile California trail, creating a surreal landscape that ...

Marine fossils discovered near the summit of Mount Everest reveal that the world’s highest mountain was once part of an ancient ocean floor before tectonic collisions lifted the Himalayas.

Wonder World Cave & Adventure Park in San Marcos solves this problem by cramming an earthquake fault, observation tower, ...