The Melancholy of Haruhi Suzumiya, created by Nagaru Tanigawa in 2003, is a popular light novel series and anime that explores themes of existentialism, time travel, and alternate realities.

Fullmetal Alchemist, created by Hiromu Arakawa in 2001, is a popular manga and anime series that explores themes of science, magic, and the consequences of human ambition.

The Hells of Beppu in Beppu, a city on the island of Kyushu, are a series of hot springs that are too hot for bathing, but are a unique and interesting sight to see.