The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

It's said to be one of the most significant collections of contemporary Chinese art in the world.

Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

The world's first indigenous rooftop farm boasts 2,000 plants from more than 35 different native Australian species.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

Ancient serpentine sacrifice holder that has stood the test of time.

Step back in time and witness the fall of Constantinople.

Physicist’s epitaph provides final confirmation to a career of turmoil.

The beautiful baroque library of the Hapsburg empire.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

The ornate miniature mansions were built for Istanbul's feathered residents.

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

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

The first tourist attraction to offer tours for interstellar tourists.

This massive water spout has been luring visitors for hundreds of years, some to their death.

The smallest country in Australia is a principled little thing with a friendly emperor.