This former coal gasification plant found a curious second life as a popular public park.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

This monument memorializes a violent massacre where colonial police killed 50 striking dockworkers.

Built by Portuguese colonizers, the palace is now the seat of power for the independent nation.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Only through deep darkness and tragedy did this elaborate royal palace become a sacred temple.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

A complex and beautiful system of rice terraces covers a million acres over the mountains.

A prestigious learning institute of old Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

This archaeological site boasts temple ruins that date back 5,000 years to the Dilmun culture, and may have been described in the tale of Gilgamesh's search for immortality.

Skyscraper powered by wind turbines attached between its towers.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This unique museum showcases the largest collection of Al-Qatt Al-Asiri art, a traditional wall painting style adopted by the people in the Asir Mountains of Saudi Arabia.

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

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

In the middle of a barren desert, a massive, solitary rocky thumb juts out.