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

This abandoned palace and the stupas around it conceal beautiful Buddhist frescoes, statues, and silk paintings.

This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

The most remote tree in the world is more than 170 miles from its nearest neighbor.

Behemoth, cannon-like telescope operated by generations of Irish earls.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

An abused and forgotten metropolis, abandoned for centuries.