On the edge of Zichron Yaakov, the Carmel mountain town founded in 1882 by Jewish pioneers from Romania and later shaped by Baron Edmond James de Rothschild, stands the Aaronsohn House, home to one of Israel’s most remarkable true stories of courage and intelligence.

Built more than 130 years ago, this house served as the headquarters of NILI, a Jewish underground spy network founded in 1915 by agronomist Aaron Aaronsohn, his siblings Sarah and Alexander, and their friend Avshalom Feinberg, along with other members from Zichron Yaakov and neighboring villages. The network’s name comes from 1 Samuel 15:29: “Netzach Yisrael Lo Yishaker”—“The Eternity (or Strength) of Israel will not lie”)—a declaration of faith that Israel’s future in this land was certain even under Ottoman rule.

At the time, the Land of Israel lay under Ottoman control, and Turkish authorities imposed harsh rule that threatened the survival of the Jewish community. NILI’s members risked everything to gather military intelligence for the British—troop movements, roads, water sources—believing that helping defeat the Ottomans would open the way for a future Jewish state. The network also worked to draw international attention to the suffering of Jews under Turkish rule during the war.

In September 1917, a series of mishaps, including a carrier pigeon that landed in the wrong courtyard and the capture of a network member, exposed NILI to the Turks. What followed was brutal: members were hunted down and tortured. Sarah Aaronsohn, held and tortured by Turkish forces, took her own life rather than betray her comrades. Two other members, Naaman Belkind and Yosef Lishansky, were captured and executed by hanging in Damascus. Despite this, NILI’s intelligence work is credited with helping the British defeat Ottoman forces and take control of the land, clearing the way, eventually, for the modern State of Israel.

Today, the Aaronsohn House operates as the NILI Museum, established in 1956. The family home has been preserved exactly as it stood, furniture and all, allowing visitors to walk through the same rooms where this daring operation was run. A tour includes the family’s living quarters, a hidden weapons cache known as “the slick,” and the entrance to a secret escape tunnel the family built for protection.

Set against the backdrop of Zichron Yaakov’s own founding story, a town built on the tenacity of pioneers determined to return home, the Aaronsohn House stands as a living reminder of the price members of the Jewish community paid to help secure the future of Israel.