The history of radiation is on safe display at the foot of a radiation science laboratory.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Reportedly 1,400 years old, this may be the first of the Fiji Mermaids.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

Certain traditions prevail on the least-visited island of the Aran Islands.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

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

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

A student driver's nightmare.

The rest of him lived another 61 years and was buried elsewhere.

The world's first cruise ship-shaped hotel is perched atop a cliff.

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

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

Behemoth, cannon-like telescope operated by generations of Irish earls.

An unusual manor of stunning beauty, born out of a crippling disease.

A remarkably intact castle that once was the largest in Ireland.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

Modern sundial uses ancient methods to tell time and date perfectly.

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