An Australian lake whose pink hue defies scientific explanation.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

The world's only museum devoted to the wonders of fluorescence.

The sign at the garden gate reads: "These Plants Can Kill."

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A psychedelic labyrinth on the San Francisco bay.

An exquisite tunnel of cascading flowers.

A magical place that lets you play in and explore the world of Studio Ghibli.

Rippling sand dunes frozen in the Arizona rock.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

The largest greenhouse in the world is home to over one million types of plants.

Stalactites and stalagmites in a beautifully lit cave.

Small church on top of a huge rock column.

Mountain where Jesus was first tempted by the Devil.

In this historic region, homes and churches are carved into ancient volcanic rock formations.