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

A unique waterfall that some believe attracts the fairfolk.

A quirky "castle" formerly belonging to a famous British inventor.

A midnight snack that lights up the night.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

Flaming barrels of tar race through these village streets on Bonfire Night, a tradition that dates back centuries.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Old Tudor home moved on thick iron rails to a new spot.

Handcrafted thermal spa washes away each night with the tide.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The platform atop this verdant volcano was built with the help of a royal elephant.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Bizarre dirt trail winds a narrow path above the tree line.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

A white Buddhist temple with a golden restroom.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A battle between nature and architecture in the Cambodian jungle.