Excavated streets and houses at Herculaneum

The wonder encyclopaedia

The language of wonder.

A small amount of understanding can transform what you notice. These illustrated explanations connect an idea with real places across the collections.

PhotographDiego Delso · CC BY-SA 4.0

Learn a little. See much more.

Grand Prismatic Spring and its vividly coloured margins

Earth and nature

Caldera

A volcanic depression formed when the ground above a magma reservoir collapses, often following a major eruption.

Limestone islands and boats in Ha Long Bay

Earth and nature

Karst

A landscape shaped by the dissolution of soluble rock, often with caves, sinkholes, springs and underground drainage.

Moraine Lake in Banff National Park

Earth and nature

Glacial valley

A valley whose form has been substantially altered by moving ice and the rock carried within it.

Þingvellir’s lake and open landscape

Earth and nature

Plate boundaries

Zones where the Earth's moving tectonic plates meet, separate or slide past one another.

Contrasting lava textures on Hawaiʻi

Earth and nature

Reading a volcano

A volcano's shape reflects the materials, eruptions and later erosion that built and altered it.

Excavated streets and houses at Herculaneum

Art and architecture

Mosaic

An image or pattern assembled from small pieces of material, often called tesserae.

The Inca citadel beneath the peak of Huayna Picchu

Art and architecture

Dry-stone construction

Building with carefully placed stone without relying on mortar to bind the stones together.

The landscape between Colca Canyon and Puno

Heritage

Cultural landscape

A landscape whose character and significance arise from the interaction of people and their environment.

An island in Kandy Lake

Heritage

Living heritage

Traditions, knowledge and practices maintained and transmitted by communities.

The city of Potosí beneath the surrounding hills

Heritage

Industrial heritage

The buildings, landscapes, machinery and human stories associated with systems of production and work.

The market buildings of Mompox

Cities and routes

The river city

A way of reading a city through its relationship with water, crossings, trade and flood-prone ground.

The Colosseum in Rome

Maps and photography

Reading a historical map

Treating a map as evidence of a maker's knowledge, purpose and perspective at a particular time.