A tiny piece of the Moon is embedded in this stained glass masterpiece.

Largest Roman Catholic church in North America.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

At 207 feet, one of the world's longest continuous escalators.

The site of the climactic scene from the classic horror film is now a historic landmark.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

Even King Tut was intrigued by the glass of the Great Sand Sea.

Source for a sizable portion of Egypt's freshwater supply is more than an optical illusion.

Charnel house at the foot of Mount Sinai.

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

Slum Settlement Filled With Mountains of Garbage.

340-foot statue built to honour the Heroes of the Soviet Union.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

A former waterfront market is now in the center of town due to some interesting Boston engineering.