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

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

One man's homage to the sun continues to grow like a glass fractal.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Florida castle built with aluminum printing plates.

A mysterious castle built as a monument to lost love.

Meet manatees face-to-face at this zoo for native species.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Eight feet in diameter and more than 24 feet around.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

This former hub for crafty philosophers was founded by a writer who died aboard the infamous RMS Lusitania.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.

The seat of Buffalo government is a gorgeous Art Deco palace.

Buffalo's abandoned concrete grain elevators are getting a second life.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The absurd creation is a compulsory destination for selfies in Buffalo.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

A piece of outsider public art accompanied by a strange urban legend.