Celebrating the transformation of trash into objects of beauty.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

360-degree virtual reality chamber physically immerses scientists into their data.

An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

A vast city of the dead, where the deceased outnumber the living by more than a million.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Handmade treasures from around the world.

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

The largest permanent Monopoly board makes one of the longest games even bigger.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

Ancient human, animal, and geometric figures drawn in the earth.

An extensive collection of ancient Egyptian artifacts and mummies.

This massive redwood tree has a hole in the base big enough to drive through.

A popular tourist cave with a dark past.

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

The abandoned personal amusement park of the King of Pop.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

The final resting place of a space program monolith.

Hundreds of trees made from glass bottles make up this forest on Route 66.

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

An eclectic trailer park retreat in the middle of the California desert.