Cantor Function by Douglas Rivers, the Wolfram Demonstrations Project.

Antikythera Mechanism on the Wolfram Demonstrations Project.

"Euler Line" by Eric Rowland, the Wolfram Demonstrations Project, 2007.

From the Wolfram Demonstrations Project - requires CDF player (free):

Oscillations of a Pogo stick, Wolfram Demonstrations Project.

"Geometric Series" by Michael Schreiber, Wolfram Demonstrations Project, 2007.

Airplanes and Crosswinds by Bruce Miller, The Wolfram Demonstrations Project.

How to Avoid a Collision by George Beck, Wolfram Demonstrations Project.

"Composition of Functions" by Bruce Atwood, the Wolfram Demonstrations Project, 2007.

"Gabriel's Horn" by John Snyder, the Wolfram Demonstrations Project, 2007.

Cantor Function by Douglas Rivers, the Wolfram Demonstrations Project.

Antikythera Mechanism on the Wolfram Demonstrations Project.

"Euler Line" by Eric Rowland, the Wolfram Demonstrations Project, 2007.

Superquadratics by Robert Kragler, The Wolfram Demonstrations Project.

From the Wolfram Demonstrations Project - requires CDF player (free):

Airplanes and Crosswinds by Bruce Miller, The Wolfram Demonstrations Project.

"Composition of Functions" by Bruce Atwood, the Wolfram Demonstrations Project, 2007.

Bankoff Circle by Jay Warendorff, the Wolfram Demonstrations Project.

The Butterfly Theorem by Jay Warendorff, the Wolfram Demonstrations Project.

"Gabriel's Horn" by John Snyder, the Wolfram Demonstrations Project, 2007.