A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Ancient paintings known as the "Sistine Chapel of Cave Art."

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

You'll find the little birds tucked within the rocks of this Australian beach.

The ruins of New Zealand's largest classical-style church.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

This museum houses an imposing skeleton army comprised of creatures great and small.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A haunting collection of the vanished and disappearing natural world.

Abandoned railway line circling the city of Paris.