Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

These towering cliffs jut dramatically from the middle of a barren desert.

This giant volcanic crater holds its very own field of salt.

This mesmerizing, colorful structure looks like a tent made from stained glass.

Over the dunes of the Empty Quarter, the mysterious music of the desert.

Planned as the world’s first zero-carbon city, it had lofty ideals—but is only 5 percent completed and aiming for 50 percent carbon-neutral.

Whitewashed mosque contains the world's largest carpet.

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

This artificial archipelago was supposed to resemble a map of the world.

An abandoned desert hamlet swallowed up by sand.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.

The tallest minaret in Yemen is 150 feet high and entirely made of mud.

A nearly abandoned Jewish settlement perched atop a hill in the heart of Yemen.

This ornate mosque is said to hold the remains of Muhammad's granddaughter beneath its dome of pure gold.

This impressive system of tanks was used to store drinking water as long as 2,000 years ago.

One of Yemen’s oldest and most beautiful mosques was named for the incredible, historical queen buried inside it.

The most alien-looking place on Earth.

A city built from mud and known as the "Manhattan of the desert."

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

Over 60 species of birds inhabit this colorful aviary park in South Africa.

A beautiful viewpoint on the Garden Route overlooking a naturally-occurring outline of Africa.

This beautiful waterfall is not easy to reach, but offers a stunning view of the pristine green valley.

Brace yourself for the slowest, scariest, most spectacular drive, down the Drakensberg Escarpment.