inclusion using tickets or free?

All National Mall museums are free... Well... We pay for them with federal taxes.

Entry to the museum is free.

Tickets are free there aren't any tickets. The African American museum requires tickets that u get online if u can get them

Free

If you're active duty military or a veteran you can walk up with one guest without tice

I believe that it's free

Free entry. I believe that there are certain movies you pay for like at the Space Museum

Free. Some like African-American Museum require tickets but are free. Get them online. Some exhibits in other Smithsonians require tickets as well but are free.

Ditto everyone else, free!

All Smithsonian museums are free

All are free

are foreign tourists subject to federal taxes?