One of the few guarded stops along the great spice route.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

Idol made by King Jeroboam for the Israelites.

The bomb-ravaged remains of of a colossal Neptune.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A "miracle" that seems to produce more holy fistfights than holy revelations.

Where monkeys run wild and the humans are caged.

America's first public mental health facility.

Immortal combat in a Moscow museum.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Ancient paintings known as the "Sistine Chapel of Cave Art."

It houses the remains of a 17th-century version of the Titanic.