Before recorded history, humans constructed earthen mounds, stone circles, megaliths, and structures that often puzzle modern-day archaeologists.
Prehistoric architecture includes monumental structures such as Stonehenge, cliff dwellings in the Americas, and thatch and mud structures lost to time.
Interestingly, many Art Deco motifs were inspired by the architecture of ancient Egypt.
The 20th and 21st centuries have seen dramatic changes and astonishing diversity.
Look closely at these architectural movements and you are likely to find ideas that date back to classical and ancient times.
Gothic ideas gave rise to magnificent cathedrals like Chartres and Notre Dame.
A return to classical ideas ushered an "age of awakening" in Italy, France, and England.
The style spread to architecture and furniture in the 1890s.
Art Nouveau buildings often have asymmetrical shapes, arches and decorative surfaces with curved, plant-like designs.
Gargoyles, arched windows, and other medieval details ornamented soaring skyscrapers in this Gothic Revival style.