Art Nouveau beauty hidden deep in Cairo’s Al-Helmiya neighborhood.

Inside this 3,500-year-old tomb are remarkable ancient Egyptian paintings of African wildlife.

The ancient village known as Set Maat, or the 'Place of Truth,' located on this site served as a hub for intellectual and artistic endeavors.

This 7th-century monastery was sacked by Saladin.

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

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

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.

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.

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

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.

Ozymandias’ time-keeping temple.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

The revival of a classic Art Deco theater.

Home to a vast and influential collection of Shakespeareana.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Recorded as the first person buried in Arlington Cemetery.

The "lovely red Vega" of the legendary record-settling pilot.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

A battleship’s mast sits atop a turret-like memorial, commemorating those who lost their lives in one of the precipitating events of the Spanish-American War.

Home to items never before seen by the public.