Square antiprism
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In geometry, the square antiprism is the second in an infinite family of antiprisms formed by an even-numbered sequence of triangle sides closed by two polygon caps. It is also known as an anticube.
One World Trade Center building
Uniform polyhedron
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In geometry, a uniform polyhedron has regular polygons as faces and is vertex-transitive. It follows that all vertices are congruent.
Platonic solid: Tetrahedron
Image: Tetrakishexahedron
Image: Disdyakisdodecahedron
Image: Disdyakistriacontahedron