The light changes, the air cools, and suddenly every twist in the path feels like the start of a real underground adventure.

Add Yahoo as a preferred source to see more of our stories on Google. After a four-year closure, Crystal Cave is inviting visitors to "marvel at its underground splendor," Sequoia Parks Conservancy ...

Tickets for Sequoia National Park's Crystal Cave 2026 season go on sale March 16. The 2025 season sold out quickly.

Tickets for the 2026 Crystal Cave season at Sequoia National Park will go on sale March 16, and guided tours will operate ...

Lost River Cave is a 72-acre park best known for its underground boat cave tour. The cave was once home to a famous nightclub. After the club closed, the cave deteriorated into an illegal dump site.

Oregon’s fir-covered mountains hid a secret. Under the rolling, tree-covered landscape, Oregon Caves National Monument offers seasonal tours. Just south of Grants Pass in the Rogue River Siskiyou ...

This little-known park has miles of underground caverns, some of which are normally open for tours (in real life and virtually), plus hiking trails to explore.

This family-friendly Arkansas cave is an adventure lover’s dream, offering an exciting and educational experience for everyone to enjoy together.

Crystal Cave, located in Sequoia National Park, reopens to the public on May 23 after a four-year closure due to fire and weather damage. Visitors can purchase tickets for guided tours, with prices ...