A hidden world of exotic succulents and cacti.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

This odd California folly seems like it was almost designed to accumulate urban legends.

An abandoned mountain village in Habib surrounded by walnut, apricot, and pomegranate trees.

This bazaar is one of the oldest in the Arabian world.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

The rocks around this mountain are filled with so many carvings that the area became known as the "open library."

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

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

An annual two-week festival near the city of Riyadh when Saudis let their hair down.

This former Portuguese defensive fort atop a hill was occupied for thousands of years.

A little-known hot spring haven right below the highway.