Dense fog settles across huge swath of the US

Fog fills the air around skyline

Driving through dense fog in Colorado

Aerial footage shows major metropolis shrouded in dense morning fog

Dense fog is going to delay takeoff

Dense fog sweeps across the city

Dense fog reduces visibility

Dense super fog enshrouds southwest Virginia

Thick fog shrouds towns far and wide across the US

Storms and fog to cause travel issues in several parts of the US this Friday

A Gruta | movie | 2020 | Official Trailer

Rescue Crews Work to Reach an American Researcher Trapped Inside a Cave in Turkey

Die Höhle | movie | 2023 | Official Trailer

In This Cave, All Animals Die in a Second. Forbidden Places That Cannot Be Visited

Finger Flutings Found in ‘Oldest Decorated Cave in France, if Not Europe’

This National Park Has the Longest-known Cave System in the World — With Over 400 Miles of Underground Passages, Sparkling Domes, and a Frozen Waterfall

Rounds of severe storms on the way for the middle of the country

Your Thursday travel forecast for April 25

How will pollen levels affect my allergies this weekend?

New report shows highest levels of air pollution in decades

Pink Moon glows over East Coast

Here's your travel outlook for April 24