A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

The largest hewn stone in history.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

This subterranean funicular is one of the world's smallest subways.

A "miracle" that seems to produce more holy fistfights than holy revelations.

You can row a boat through this ancient underground reservoir.

This memorial park is also the original site of Queen Cleopatra’s Caesareum, whose pillars now stand in London and New York.

This fortress was built using the last surviving stones from the Lighthouse of Alexandria, one of the Seven Wonders of the Ancient World.

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

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

This slowly crumbling mansion was home to one of East Africa's richest and most powerful slave traders.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

Human ancestor’s 3.6 million year-old footprints.

An exquisite and eclectic selection of African masks stands out within a massive woodcarving marketplace.

These strange piles of magnetized volcanic ash travel across the desert about 50 feet per year.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.