Be careful not to get trampled at this lively two thousand-year-old market.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

Ozymandias’ time-keeping temple.

Source for a sizable portion of Egypt's freshwater supply is more than an optical illusion.

An alien landscape of chalk-rock in the Egyptian desert.

Road signs in Namibia mark the location of one of the five major circles of latitude.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

The remains of diamond fever taken over by the desert.

Thought to be the only herd of feral horses in Africa and one of the most isolated populations in the world.

Giant topiary dog once played a role in a terrorist bomb plot.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

The enigmatic and seldom visited ruins of a Mayan city-state.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

In this breathtaking canyon, crocodiles bask on boulders and glide through the murky waters.

The stoutest tree in the world.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

A lush oasis full of vibrant plants and striking geometric displays.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

These small, triangular, colorful houses are a staple of Madeira Island.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.