Examples of websites using
Aktiv Grotesk
(Aktiv Grotesk is a sans-serif font designed by Bruno Maag and published by Dalton Maag. It is available in a range of styles, including regular, condensed, and extended widths, with multiple weights and matching italics)
with
Gotham
(Gotham is a sans-serif font designed by Tobias Frere-Jones and Jesse Ragan, and released by Hoefler & Co in 2000. It is available in a range of styles, including regular, bold, italic, and condensed weights)