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

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

This psychedelic tourist trap is a leisurely descent into madness.

270 million year-old forest of stone.

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

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

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

A canvas of crops grow from vibrant red soil in this terraced farmland.

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

Intensely colorful calcite pools in Southern China.

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

This spiritual landmark for practicers of Shamanism is drenched in milk and vodka and covered in blue scarves.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This antique prison is a tourist attraction with a sordid past.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.