This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

A historic observatory precariously perched at the "Top of Europe."

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

A corkscrew-shaped barn in Ireland.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

Obelisks and stone pineapples in the Irish countryside.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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."

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

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

These delicate sand pyramids look like naturally occurring gothic spires.

This winding road through an Italian canyon may be the most scenic drive in the world.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

Nordic giants resurrected from the sea and restored to their former greatness.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Copenhagen's celebrated theme park and gardens.