An ancient burial ground believed to have been used for ritual sacrifice.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

Classical ruins that remember ancient Rome's presence in Africa.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

Home to the first child born to English colonists in North America, this colony mysteriously disappeared while waiting for supplies.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

So many migrating birds roost on the bridge, it has a special summer speed limit.

This series of Armenian caves held the oldest brain, shoe, and winery in the world.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

Huge stairway leads to this massive gallery.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

A geological oddity topped with a 2,000-year-old pagan temple.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.