According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

In Egypt's expanding metro area, many of the neighbors are dead.

Former headquarters of the KGB.

This tribute to Sunderland's mining past stands outside the home of its football club.

A church made of steel.

A once great mansion stands in stately ruin.

A rocky outcrop where monks hid their most holy relic while escaping Danish invaders.

This now museum began supplying water to Sunderland during the mid-19th century.

Home of the infamous Cauld Lad of Hylton and one of the inspirations behind "Alice" in Sunderland.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

A famous pilgrimage site that remains hidden in the midst of a city.

This Roman archeological site is hidden amid a 1930s housing estate.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

Legend says this rock was once a chopping block for public executions.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.