Uh... There's a picture of it right here. That's it.
11 seconds sound clip from the Indiana Jones - Raiders of the Lost Ark movie soundboard.
You can hear this line at 00:19:34 in the Blu-ray version of the movie.
Quote context
[...]
- A map room with a miniature of the city all laid out on the floor...
- Where the Ark of the Covenant was kept, right?
- Which is exactly what the Nazis are looking for.
- What does this Ark look like?
- Uh... There's a picture of it right here. That's it.
- Yes, that's just what the Hebrews thought.
- Uh... now, what's that supposed to be coming out of there?
- Lightning... fire... power of God or something.
[...]