Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

This island hill is strewn with boulders carved by shipwreck victims from the age of sail.

The watery grave of Captain Bligh's famous ship.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

The shallow, salty inlet was a safe haven for 19th-century pirates.

The only sea in the world that has no land boundary.

The rusted remains of a victim of Hurricane Ike.

The smallest port in France is named after the pirate who created it.

Nature took her revenge on the "Wickedest City in the World."

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

These overlooked ruins give an intimate look at the Inca Empire's urban planning prowess.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

This amazingly preserved Gold Rush town is a historian's dream.

Once the path of a railway tunnel, now home to thousands of glowing insects.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

This ancient Spanish castle sits high upon a hilltop.

The meaning behind this triumphal Roman arch was a mystery until the early 20th century.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

A Roman temple perched over an Italian town, forgotten several times over.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.