The Atrium at Ehime Science Museum

The entrance to the Ehime Science Museum is through a perfectly conical atrium.

From there steps lead down to an underground tunnel that leads to the planetarium.

Information and photos of the planetarium can be found here, and photos of the outside of the museum complex can be found here.

The museum was designed by Kishi Kurokawa and it opened in 1994

It is located in Niihama, Ehime, and entrance is 500 yen for adults.