The show's fictional Korean medical camp was created in the Santa Monica hills.

An Old West film set seen in countless TV shows and movies is open for the public to explore.

The last remnant of a tree that helped prove to the world that sequoias are real—and they’re spectacular.

The second-largest giant sequoia in the world.

Quite simply the largest tree in the world (by volume).

A 19th-century cabin built into a hollowed-out Sequoia tree.

Four hundred granite steps were built into this massive rock by the National Park Service.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A preserved stump is all that remains of the once-mighty hardwood.

Swing by this brightly painted former cannery on the water for a crash-course in local boating history.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A sharp bend in a dramatic river canyon cut through red rocks.

This interpretive path lets you get up close and personal with dinosaur bones.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

The location where the iconic movie character declared it was time to go home.

The fifth-longest natural arch in the world, and the longest outside China.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

A cosmic pit stop just beyond the notorious Area 51.

An ambitious developer built what was once the world's tallest fountain in a Phoenix suburb.