A network of ancient Egyptian tombs built into the cliff face along the Nile.

This 7th-century monastery was sacked by Saladin.

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

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

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

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

Found in the waddenzee, this propeller has been put on public display as a reminder of the Second World War.

A martyred saint built a nunnery and school for girls here known as the "Parthenon."

This Ottoman-era Greek Orthodox Church was built to honor Agia Pareskevi, a Christian saint.

An ancient Greek monument and a Byzantine church coexist inside this cave.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

A former military hospital is now used to study and preserve artifacts of the Acropolis.

Fortified medieval tower house with lovely roof garden.

Swiss vineyards in a UNESCO heritage site.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

This abandoned shopping arcade has new life as an art installation.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Europe's official "zero-level," the equator of elevation.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

At the base of this tower, a plaque marks the original center point of the Netherlands.

A ruined castle stands atop a hill surrounded by dragon lore.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.