A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

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

An iconic location along the Los Angeles River where countless movie scenes are filmed.

Wild West history in Hollywood style.

A common entry point to the Griffith Observatory trail holds its own wonders.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The world's longest known cave system.

The world's largest anatomically accurate brain sculpture.

Ornate limestone building now filled with geologic specimens, and more.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

The world's largest collection of the world's largest objects is in one small Illinois town.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

A life-sized memorial to Harry L. Collins, the official corporate magician of Frito-Lay.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.