A silver gelatin dry plate glass negative in landscape format.

Country Always

Caring for Country

A Corner of the Empire

The Garden Palace

Sepia photograph of the Technological Museum and a cow in the foreground

The Holding Pen

The Agricultural Hall

Sepia photograph of the Technological College and Museum in Broken Hill

Regional Networks

Across New South Wales

A Museum of Doing

Technological Museum

Black and white photograph of man walking through eucalyptus plantation

Expanding Stories

Evolution of the Castle Hill site from botanical research station to Museum Discovery Centre

Colour photograph of red corrugated iron building from a high vantage point

Transforming the Tramsheds

Powerhouse Stage 1 and the Harwood Building

A Symbol in Time

Sydney Observatory

Powerhouse Museum, Stage 2 exterior from high angle, city skyline in background

Ongoing Transformations

Powerhouse Ultimo

Blurred image from film with museum object number

Applied Arts and Sciences

Defining the terms in the 21st century

A tall and shorter human figures walk through the gigantic storage house, to find a car behind the wall in a white room.

Powerhouse Renewal

Two people standing next to a cow in a field of cows.

Powerhouse Food: Producers

Across Western Sydney24 Aug 2024 — 25 Jul 2025

We Rise

Blak Powerhouse

A tall rocket with a long trail of burning fuel lifts off from a launchpad at Cape Canaveral.

Powerhouse-1 Mission Launch to the ISS

An initiative of the Powerhouse: Future Space program

Photofields

Across Sydney6—7 Dec
Shadows cast by the Powerhouse Parramatta exoskeleton on concrete

Exoskeleton

Powerhouse Parramatta

A woman stands on stage in front of a large audience. She has her left hand raised in the air and a microphone in her right hand. The audience are holding their phones up recording the woman.

Blak Powerhouse 2023

Powerhouse x We Are Warriors

Slider thumb2024
A tall and shorter human figures walk through the gigantic storage house, to find a car behind the wall in a white room.
Program

Mystery Object Challenge

Tag iconTour
when
Every Sat—Sun
price
Free
where
Castle Hill

Come and test your detective skills by guessing the identity and purpose of quirky, historical objects.

The Mystery Object Challenge is a free, family-friendly activity where participants learn about one of more than half a million objects held in the Powerhouse Collection.

Drop-in at either 11.30am or 2.30pm every Saturday and Sunday to join the challenge.