The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

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

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

The largest known Ancient Egyptian obelisk.

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.

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

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

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

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

An endless sea of white conical domes.

Ozymandias’ time-keeping temple.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Every color in the rainbow awaits.

Every spring, this walkway outside the Japan Mint turns into a cherry blossom tunnel.

One of the first hotel rooms in a pod.

An eerie reminder to the horrors of World War II.

Composed of scrap metal, a pair of platform-length murals chronicle Japan’s history, from the Big Bang to the development of modern Tokyo.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Once the park closes at sunset, the greatest haiku poet of all time moves to face the Sumida River.

A restaurant modeled after feudal Japan, where the waitstaff are trained as ninjas.

This bar is filled with Star Wars merchandise from around the world, all of it unlicensed knockoffs.