270 million year-old forest of stone.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

These layered sandstone mountains in China look like they are made of pressed crayons.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

Intensely colorful calcite pools in Southern China.

This abandoned fishing settlement may well be the greenest village in the world.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

A part of the world's largest marsh seems to be growing bright red Martian grass.

A fifth-century temple improbably built into the side of a cliff.

The final resting place of the famed German pilot, the "Red Baron."

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

The excellent Swiss museum of witchcraft is led by a modern witch.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

A mythically themed self-built sculpture park.

Museum dedicated to wax representations of disfiguring diseases.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.