In the vibrant Penn Quarter , north of Pennsylvania Avenue about halfway between the White House and the Capitol , new ethnic restaurants are Zengo -LRB- 781 Seventh Street NW , 202-393-2929 ; www.modernmexican.com/zengodc -RRB- , which fuses Mexican and Asian flavors ; Acadiana -LRB- 901 New York Avenue NW , 202-408-8848 ; www.acadianarestaurant.com -RRB- , with contemporary Louisiana comfort food ; and Rasika -LRB- 633 D Street NW , 202-637-1222 ; www.rasikarestaurant.com -RRB- , serving up modern Indian fare .