A tiny church on a man-made island in the Adriatic.

A curious cave church carved into the face of a cliff.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Slum Settlement Filled With Mountains of Garbage.

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

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

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.

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

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

Idol made by King Jeroboam for the Israelites.

The only quarter of the Old City not dedicated to a major world religion.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

An iconic view point of the Sea of Galilee offers a look into Israel's past.

An ancient underground cultic temple where sunlight penetrates on the summer solstice.

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

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

The home of the Dead Sea Scrolls is an abstract modernist dream.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

This community-driven organization uses education and eco-friendly technology to protect the environment.

This impressive clifftop temple was once at the center of an international custody dispute.