5. Leonidas Chocolates

City: Washington, D.C.
Address: 1531 Wisconsin Ave. NW
Website: leonidasdc.com
Signature Item: 100% Cocoa butter chocolate

This Belgian chocolate shop keeps a bare-bones website, but their flavors are big enough that it doesn't matter. Apparently the staff speaks French. This month they're pushing a 28-piece Valentine's Heart. Chocolates and French—what's more romantic?