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

A modern-day cabinet of curiosities housed in a 300-year-old inn.

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

Hidden beneath a washing machine in a fake kibbutz, this secret bullet factory has been preserved as a museum.

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

This "Jewish Sistine Chapel" was designed to reinvigorate Judaism's artistic legacy but was almost lost to misguided restoration.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

This tree was extinct for a thousand years before sprouting again from a 2,000-year-old seed.

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

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