The grave of William Rosenberg, founder of Dunkin Donuts (now Dunkin') with shops coast to coast in the US and 42 countries worldwide.

This clock tower is all that remains of Bird Hall, constructed by one of the founding families of this Massachusetts town.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Images chiseled into the basalt here date back an estimated 300 years.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

The second oldest surviving house in Athens was owned by an Irish General.

This stone tower was built to protect Crete from incoming pirates.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

This sixth-century church housed an icon with eyes so beautiful legend has it they inspired the name of a Greek city.

The Greek War of Independence was declared at this medieval Byzantine sanctuary.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.