A trash dump made beautiful by nature's power.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

The legendary building that needed ghostly approval before being built.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

A bronze sculpture of a white dove commissioned by Pope Benedict XVI.

The whimsical construction on the roof has given rise to many a Montgomery myth about its contents.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

Once one of the largest producers of pig iron in the world.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

Cadillac where country's first big star was found dead.

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

Internationally recognized group that works to protect the wolf and educate the public about its plight.

Art blooms at this unique outdoor gallery along the banks of the Arkansas River.

What was meant as an innocent piece of art has earned a reputation as the "mansplaining sculpture."