Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

Roman ruins, natural methane fires and a lovely beach.

Flames have been burning within this mountain for more than 2,500 years.

The only Roman honorific column in Istanbul.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

This building has survived for more than a century and remains virtually untouched.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Launch site for nuclear war against Western Europe.

An abandoned amusement park turned street art gallery with open walls for visitors to spray paint.

A serpentine highway twists and turns over the treacherous Norwegian Sea.