What buildings are housed in the current capital?

The correct answer is that the buildings that are housed in the current capitol are the U. S Senate and House of Representative, which means the U. S Congress at large.

Explanation:

This building was first established in the 1800's and it has always housed both chambers of the U. S Congress, the House of Representatives and the Senate. Set up as one of the most iconical and important government buildings in the United States. Located in Capitol Hill, on the east of the National Mall in Washington D. C, this building houses the head of the Legislative branch of the nation.

United States Congress

House of Representatives, and the Senate