World War II-era Nazi compound nestled in the Santa Monica hills.

World-famous, Pink's still manages to keep its prized cult fetish status.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

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

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

Toss a Frisbee through the ruins of this Colorado gold mining town.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.