A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

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

Slum Settlement Filled With Mountains of Garbage.

The largest known Ancient Egyptian obelisk.

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

In Egypt's expanding metro area, many of the neighbors are dead.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

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

Ozymandias’ time-keeping temple.

Where artisans use centuries-old techniques to build traditional Arabian ships.

This beautifully restored fortification kept the city safe for centuries.

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

This spectacular mosque houses the second-largest chandelier in the world.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

A more chill but no less fascinating version of the famous ancient archeological site.

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

A sign marks where the two bodies of water meet.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

The designated Jewish quarter in Fez dates back to the 15th century.