This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Quite possibly the oldest love poem known to humankind.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

A medieval weapon rumored to have been used by the brilliant poet himself.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

The middle finger of modernity.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

Step back in time and witness the fall of Constantinople.

A Turkish monastery tucked into a cliff wall.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

A tiny church on a man-made island in the Adriatic.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.