Multiple hikers reported seeing a “large black animal” resembling a big cat in a tree near the falls in San Diego's backcountry in Cleveland National Forest between Julian and Descanso.

Prizes are up for grabs for those who visit Maryland state forests and find the biggest tree.

Releaf Michigan, a non-profit tree-planting organization, is hosting its 16th Biennial Michigan Big Tree Hunt beginning May 20. Here's what to know.

Releaf Michigan started the Big Tree Hunt in 1993. The nonprofit was founded in 1988 by a group of arborists who wanted to address the depleting tree canopy in Michigan.

ReLeaf Michigan’s Big Tree Hunt encourages residents to find and submit the state’s largest trees for prizes and recognition this summer.

Learn about the tallest trees across the state of Iowa and where you can visit them.

Despite its stature, the tree is falling behind on the leaderboard for the tallest in the city. Local nonprofit Restoring Earth Connection secured an Inspire Olympia grant to help document the ...

If nights spend rubbing shoulders with celebrities in Hollywood or the days spent strolling the Sunset Strip have you worn ...

Pando — Latin for "I spread" — is the largest known tree on Earth and the heaviest living organism on record. The colony extends over 106 acres (43 hectares) and weighs an estimated 6,500 tons ...

A sugar pine tree deep within Yosemite is the largest pine tree in the world, researchers found.

The Palomar Observatory is an astronomical research facility on top of Palomar Mountain, just North of San Diego. The observatory operates a few telescopes, including the famous 200-inch Hale ...

Palomar Mountain Loop A challenging trail through a beautiful landscape that resembles the Sierras. 🥾 Difficult | 10.1 miles | Google Maps | Website | 1 hour 30 minutes from San Diego Palomar ...