Walk behind a 50-meter-high waterfall.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

A colossal statue with a controversial past, forgotten for more than 30 years.

A small museum in the Bay of Pigs gives the Cuban perspective on the famously failed U.S. invasion.

Neo-cave art on the macro scale.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

This museum is dedicated to one of Russia's greatest explorers.

According to myth, there's a bloody explanation for the beautiful bright red color of this rock formation set amidst alpine vegetation.

An unusual monument to a gentle giant who became a Kyrgyz hero.

This mysterious complex of abandoned yurts and fading murals was meant to be a center of science and spirituality in Kyrgyzstan.

Lonely minaret stump of a destroyed city.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

On the shores of Kyrgyzstan's Issyk-Kul Lake, a family cooks a feast that tells the sad tale of a people's exile.

The cathedral stands in New Jufa, Isfahan's Armenian quarter that was established in 1606.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

Long before air conditioning, Persian architects found an ingenious way to cool off.

The fire inside this temple has burned for more than 1,500 years.

The hottest, driest, and most scenic desert on Earth.

17th century mosque for Shah Abbas' harem.