Sometimes being an artist also means being a fearless explorer. Literally. For a new project called "The Sound of the Earth," Dutch artist Lotte Geeven plunged deep below the Earth's crust to capture the ancient rumblings of the netherworld. 

"For this project I travelled to the deepest open hole in the world to find out about it’s mysteries and to record the sound of the earth," Geeven writes on her website. The artist and a team of engineers descended into the German Continental Deep Drilling Program, known as the KTB borehole, that reaches about 5 and a half miles below the Earth's crust.

In order to record the boric fluid down in the abyss, Geeven used special equipment and then her team translated it onto audio software. In the video above, her recordings play along with a working seismograph.

While many artists are looking to the skies for answers, Geeven burrows into the planet's core. Her sound art points to another time where natural rumblings dominated long before humans roamed the surface.  

RELATED: Artists Imagine What Would Happen If We Colonized the Moon