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

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

Clusters of huge boulders in the Australian Outback.

Northern Ireland's Brobdingnagian stepping stones.

100 year tradition of fist fights, marked by marble footsteps.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.