The exhibits span the history of rotary wing aircraft from the earliest rotorcraft to the latest developments in tiltrotors, and AHMEC is the only museum in the world currently displaying a V-22 Osprey.

Its exhibits span 150 million years, the range of global environments, as well as botany, economy and culture - all the ways plants are important to how we live and our planet's survival.

Transient exhibits span a wider range of disciplines.

The exhibit spans four centuries and consists of more than 150 photographs, pieces of clothing, works of art, journals and documents that trace women's lives over the last 350 years, from the hearth to the assembly line, into the classroom and on to the executive office.

The exhibit, a series of glamour portraits from the Kobal Collection, spans four decades of also-rans and shows off the longing looks of big stars like Cary Grant and Marlene Dietrich (pictured here).

The exhibit spans 30 years to the 1950's.

The exhibits span the centuries from the Iberian era to the Visigothic period, but pride of place goes to objects from the 10th-century palace of Medina Azahara, like the bronze figure of a stag taken from a fountain presented by the Byzantine emperor Constantine VII.

The exhibit spanned Masriadi's 10-year career and explored the evolution of his signature black-skinned figures, a motif now widely copied by other Indonesian painters.

Once an event that focused on West Lakeview gardens, the exhibits now span the entire Lake View area.

Beginning with ancient Egyptian jewelry, the exhibit spans 55 centuries, leading up to early-20th-century pieces like a gleaming necklace of 265 round-cut diamonds and a gold mesh evening bag with a sapphire trim.