Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Eighty million natural history specimens call this gargantuan museum home.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

It was once nicknamed "the most bombed hotel in Europe."

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The modern birthplace of Irish freedom.

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

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

One of Ireland's most infamous prisons for rebels including men, women and children.

The ancient tomb acts as a calendar that keeps perfect time.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

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

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.