After four years of closure, Crystal Cave is reopening this month in Sequoia National Park. Learn why it was closed, how to ...

Crystal Cave has been one of the most popular visitor destinations in the park since it opened for public tours in 1940.

Carter Caves State Resort Park is one of the most unique state parks in the country ... and they're starting to pack on that weight to get them through that hibernation season.

The best state parks in the nation call infinitely explorable ... The park also has ice caves, countless waterfalls and lakes for swimming when lifeguards are on duty. The popular Sam’s Point ...

Nearly hunted out of existence in California, newly reintroduced gray wolves are killing cattle, hurting ranchers' bottom ...

Among the beaches, the state consists of national wonders like parks and historical sites ... Hawaii Mammoth Cave National Park, Kentucky ...

These nature preserves and historic sites — all just a short drive away — offer a rare escape from the noise of suburbia.

Take one of Washington state’s car-friendly ... When visiting national parks like Olympic, follow Leave No Trace principles like staying on trails and packing up trash to take with you.

With summer right around the corner and the end of the school year in sight, it’s time to pack up the tent, rev up the RV, ...

Today's state and national parks were created or expanded because ... and installed stairs in Oregon caves. Drought and "black blizzards" of dust underscored the danger of soil erosion.

Camping is an affordable alternative to Hawaii's expensive lodging options, but there are some things to know before jumping ...