The U.S. Fish Commission’s effort to mass produce carp.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

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.

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

A wall of chewing gum moonlights as collective art.

Wild West history in Hollywood style.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Yo, Adrian!

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The final resting place of a space program monolith, soon to be unveiled again to the public.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The magic's in the hole!

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Canyon walls shrouded in ferns.