This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

360° views of the city plus five floors of optical illusions and hands-on science.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

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

The modern birthplace of Irish freedom.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

One part local history, 99 parts gruesome haunted house.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This subterranean necropolis holds three floors of antler-dug grave caves.