Climb inside an iron crystal magnified 165 billion times its normal size.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

A hugely vast Irish landscape of barren rock that stretches for miles.

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

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A century-old tradition has culminated in a small but singular collection of feline effigies.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A high-octane shrine to the greatest Texans who ever lived.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

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

The original "capsule building" is a masterpiece of Metabolist architecture.

This Japanese national treasure was originally built in 593.

Peace Park and the Atomic Bomb Dome.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The quintessential Japanese rock garden has existed for more than 500 years.

Iceland's tribute to its thankless civil servants.

This 700-year-old street food market features baby octopus and soy donuts.

The 10,000 Torii shrine.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.