An alley covered with 20 years of bubble gum.

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

It's not your typical library, memorial, or book store.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

A giant donut stands as a popular symbol of Los Angeles iconography.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

At 207 feet, one of the world's longest continuous escalators.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

A nostalgic bibliographic gem.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

One of the oldest living oak trees in the Southeast.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This two-room shotgun shack in Tupelo is the birthplace of a King.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

One person's lost luggage is another person's treasure.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

148 feet long and in the middle of a verdant forest.