Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

This supermarket offers shoppers a window into the past alongside their groceries.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

Though they've since been renamed, these two streets hint at Dublin's darker days.

The house where the writer spent his formative years.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

Experience what life was like in Ireland during the Viking and medieval ages.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

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

Once a meeting point for great thinkers, and the midpoint of the country.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

The longest living non-clonal organisms on Earth.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

Shoreline strewn with the remains of ghostly fallen trees.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

This massive redwood tree has a hole in the base big enough to drive through.