An active seahorse farm is currently saving Tasmania's handfish from extinction.

These tracks are believed to be from a panicked dinosaur stampede.

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

One of the only places where Earth’s mantle lies above water.

An ancient rock engraving shows Aboriginals used their advanced knowledge of the stars to hunt and gather.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A massive collection of petroglyphs dating back some 40,000 years.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

Azerbaijani ghost town, decaying after a war left it an armed forces buffer zone.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

Despite a history of destruction, this former citadel survives to document Afghanistan's oft overlooked history.

Highly unusual subterranean stupa and adjacent cave monastery.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

Classical ruins that remember ancient Rome's presence in Africa.

The abstract sandstone rock formations at this Algerian national park are rich with prehistoric art.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.