Réunion Island's highest point is a 2 million-year-old volcano and a paraglider's paradise.

Only two of these trees remain in the natural world, found high in the cloud forest of the island of Mauritius.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Ozymandias’ time-keeping temple.

The largest known Ancient Egyptian obelisk.

One of the most well-preserved temples of ancient Egypt.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

An endless sea of white conical domes.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A flooded Mexican cave that hides a river beneath the water.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

Few of the many visitors to this resort town know of its hidden Maya ruins.

This former shopping center now acts as the eccentric lair of the Venezuelan secret police and their shadow prison.

Once considered a marvel of engineering, there are now doubts about the structural integrity of this 5.4-mile cable-stayed bridge.

A pocket of jungle amidst urban expansion in Panama.

Lie in a hammock where George Washington stood.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.