This abandoned hospital is one of the most haunted places in Costa Rica.

These ancient pecked images are among the oldest and best-preserved in Mongolia.

A mysterious phallic rock on the grounds of a Buddhist monastery.

The monastery survived the Communist revolution in Mongolia as a religious museum.

This massive piece of aviation history calls this residential neighborhood home.

An ancient stone fortress considered by many to be the eighth wonder of the world.

This elaborate temple was built around one of the Buddha's teeth.

This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

Pettah's beautiful floating market was once a stinky canal in a sketchy industrial area.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

God's Saharan sandbox of wrath.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

This no man's land slicing through the island is strewn with abandoned relics of another time.

Rusted structures stand like ghosts of Cyprus' 6,000-year-old copper industry.

One of the best-preserved medieval streets in Europe.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.