The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

A hand-built folk art installation covered with messages of God's love.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An abandoned Indian-inspired mansion.

Giant granite sculptures representing family on the northern coast of Spain.

These Nubian pyramids are strange and unique, even by pyramid standards.

The largest stone moai on Rapa Nui.

An unexpected desert oasis in South America.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

The largest dinosaurs in the world, kissing above the highway.

Jurassic theme park in the small town of Erlian.

Explore 10 acres of environmental sculptures.

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

This record setting conveyor belt system can even be seen from space.

The remains of diamond fever taken over by the desert.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

Natural time capsule containing an alien ecosystem.