This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The world's second-largest sundial, made entirely out of stone.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

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

Aqua white sand highlighted with fiery red rocks.

The once-dying town of Sheffield, Tasmania has reinvented itself as a village of painted wonders.

This extraordinary geological oddity resembles human-made pavement.

Rainforest filled with record-holding eucalyptus.

One of the best beaches in the entire world.

Granite rocks that concentrate waves into powerful jets.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Roman ruins top white travertine terraces formed by ancient hot springs.

A marvel of Byzantine engineering under the streets of Istanbul.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

Roman ruins, natural methane fires and a lovely beach.

Splashes of blue in an otherwise monotonous lunar landscape.

Relics of Australia's convict past, and a modern scene of unimaginable horror.