diff --git a/app/assets/javascripts/licenses.js.coffee b/app/assets/javascripts/licenses.js.coffee
new file mode 100644
index 00000000..24f83d18
--- /dev/null
+++ b/app/assets/javascripts/licenses.js.coffee
@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/
diff --git a/app/assets/stylesheets/licenses.css.scss b/app/assets/stylesheets/licenses.css.scss
new file mode 100644
index 00000000..9adc9967
--- /dev/null
+++ b/app/assets/stylesheets/licenses.css.scss
@@ -0,0 +1,3 @@
+// Place all the styles related to the licenses controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index dd4cd0b1..34bd1cb7 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -7,11 +7,18 @@ class ApplicationController < ActionController::Base
 
   before_filter :fetch_categories
   def fetch_categories
-    @categories = Rails.cache.fetch([:categories, :list], expires_in: 5.minutes) do
+    @categories = Rails.cache.fetch([I18n.locale, :categories, :list], expires_in: 5.minutes) do
       Category.order("name ASC").load
     end
   end
 
+  before_filter :fetch_licenses
+  def fetch_licenses
+    @licenses = Rails.cache.fetch([I18n.locale, :licenses, :list], expires_in: 5.minutes) do
+      License.order("id ASC").load
+    end
+  end
+
   before_filter :google_analytics_identification
   def google_analytics_identification
     if $gabba.present?
diff --git a/app/controllers/licenses_controller.rb b/app/controllers/licenses_controller.rb
new file mode 100644
index 00000000..f9bdca63
--- /dev/null
+++ b/app/controllers/licenses_controller.rb
@@ -0,0 +1,12 @@
+class LicensesController < ApplicationController
+  respond_to :html
+
+  def show
+    @license = License.friendly.find(params[:id])
+    authorize! :read, @license
+
+    respond_with @license do |f|
+      f.html { redirect_to license_photographs_path(@license) }
+    end
+  end
+end
diff --git a/app/controllers/photographs_controller.rb b/app/controllers/photographs_controller.rb
index 901ea0de..7377527d 100644
--- a/app/controllers/photographs_controller.rb
+++ b/app/controllers/photographs_controller.rb
@@ -9,7 +9,7 @@ class PhotographsController < ApplicationController
   before_filter :set_parents
   def set_parents
     if params[:collection_id].present?
-      @collection = Collection.find(params[:collection_id])
+      @collection = Collection.friendly.find(params[:collection_id])
       authorize! :read, @collection
     end
 
@@ -25,22 +25,31 @@ def set_parents
     end
 
     if params[:category_id].present?
-      @category = Category.find(params[:category_id])
+      @category = Category.friendly.find(params[:category_id])
+    end
+
+    if params[:license_id].present?
+      @license = License.friendly.find(params[:license_id])
     end
   end
 
   def index
-    if @collection.present?
+    case
+    when @collection.present?
       @photographs = @collection.photographs
       set_title(@collection.name)
       hide_filters!
-    elsif @user.present?
+    when @user.present?
       @photographs = @user.photographs
       set_title(@user.name)
       hide_filters!
-    elsif @category.present?
+    when @category.present?
       @photographs = @category.photographs
       set_title(@category.name)
+    when @license.present?
+      @photographs = @license.photographs
+      set_title(@license.name)
+      hide_filters!
     else
       @photographs = Photograph.all
     end
diff --git a/app/helpers/licenses_helper.rb b/app/helpers/licenses_helper.rb
new file mode 100644
index 00000000..8937fda9
--- /dev/null
+++ b/app/helpers/licenses_helper.rb
@@ -0,0 +1,2 @@
+module LicensesHelper
+end
diff --git a/app/models/ability.rb b/app/models/ability.rb
index ba665aff..be65eec9 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -6,6 +6,7 @@ def initialize(user)
     alias_action :create, :read, :update, :destroy, to: :crud
 
     can :read, Category
+    can :read, License
     can :read, Photograph do |photograph|
       photograph.visible?
     end
diff --git a/app/models/license.rb b/app/models/license.rb
index fd71dc91..0e842286 100644
--- a/app/models/license.rb
+++ b/app/models/license.rb
@@ -1,3 +1,9 @@
 class License < ActiveRecord::Base
+  extend FriendlyId
+
   has_many :photographs
+  
+  friendly_id :code, use: [:slugged, :finders]
+
+  validates :name, :code, presence: true
 end
diff --git a/app/views/shared/_nav.html.slim b/app/views/shared/_nav.html.slim
index 0c079c7a..09a1436e 100644
--- a/app/views/shared/_nav.html.slim
+++ b/app/views/shared/_nav.html.slim
@@ -54,6 +54,19 @@ nav id="layout-nav" class="top-bar"
                         = link_to category.name, category_path(category.slug), active_on: category_photographs_path(category.slug), \
                           active_wrapper: :li
 
+              - if @licenses.present?
+                div class="row"
+                  div class="large-12 columns"
+                    label= t("nav.license")
+
+                div class="row"
+                  - @licenses.each_slice((@licenses.size / 2) + 1) do |licenses|
+                    div class="large-6 columns"
+                      ul class="sub-nav"
+                        - licenses.each do |license|
+                          = link_to license.code, license_path(license), active_on: license_photographs_path(license), \
+                            active_wrapper: :li
+
       = link_to t("nav.recommended"), recommended_photographs_path, active_on: true, \
         active_wrapper: :li
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 97bf0e8a..6272d3f8 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -77,6 +77,7 @@ en:
     dashboard: "Dashboard"
     seeking_feedback: "Photographs seeking feedback"
     about: "About"
+    license: "Explore by License"
 
   beta_notes:
     title: "This is an early stage beta!"
diff --git a/config/routes.rb b/config/routes.rb
index a0f0c90e..1c6e39de 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -49,6 +49,10 @@
       resources :collections, only: [:index]
     end
 
+    resources :licenses, only: [:show] do
+      resources :photographs, only: [:index]
+    end
+
     resources :notifications, only: [:index, :show] do
       collection do
         get :mark_all_as_read
diff --git a/db/migrate/20131103133641_add_slug_to_licenses.rb b/db/migrate/20131103133641_add_slug_to_licenses.rb
new file mode 100644
index 00000000..2a35ea1a
--- /dev/null
+++ b/db/migrate/20131103133641_add_slug_to_licenses.rb
@@ -0,0 +1,6 @@
+class AddSlugToLicenses < ActiveRecord::Migration
+  def change
+    add_column :licenses, :slug, :string
+    add_index :licenses, :slug
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index a7d2ede1..b46d446d 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -388,7 +388,8 @@ CREATE TABLE licenses (
     name character varying(255),
     code character varying(255),
     created_at timestamp without time zone,
-    updated_at timestamp without time zone
+    updated_at timestamp without time zone,
+    slug character varying(255)
 );
 
 
@@ -1201,6 +1202,13 @@ CREATE INDEX index_followings_on_followee_id ON followings USING btree (followee
 CREATE INDEX index_followings_on_follower_id ON followings USING btree (follower_id);
 
 
+--
+-- Name: index_licenses_on_slug; Type: INDEX; Schema: public; Owner: -; Tablespace: 
+--
+
+CREATE INDEX index_licenses_on_slug ON licenses USING btree (slug);
+
+
 --
 -- Name: index_metadata_on_photograph_id; Type: INDEX; Schema: public; Owner: -; Tablespace: 
 --
@@ -1567,3 +1575,5 @@ INSERT INTO schema_migrations (version) VALUES ('20130826172509');
 INSERT INTO schema_migrations (version) VALUES ('20130830080641');
 
 INSERT INTO schema_migrations (version) VALUES ('20131022130051');
+
+INSERT INTO schema_migrations (version) VALUES ('20131103133641');
diff --git a/lib/tasks/iso.rake b/lib/tasks/iso.rake
index 1ad24488..3b033341 100644
--- a/lib/tasks/iso.rake
+++ b/lib/tasks/iso.rake
@@ -1,7 +1,7 @@
 namespace :iso do
   namespace :maintenance do
-    task :create_stories => :environment do
-      Notification.find_each(&:create_story)
+    task :repair_licenses => :environment do
+      License.find_each(&:save)
     end
 
     task :repair_image_permissions => :environment do
diff --git a/spec/controllers/licenses_controller_spec.rb b/spec/controllers/licenses_controller_spec.rb
new file mode 100644
index 00000000..433094bf
--- /dev/null
+++ b/spec/controllers/licenses_controller_spec.rb
@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+describe LicensesController do
+  describe "GET show" do
+    let(:license) { License.make }
+
+    before { License.stub_chain(:friendly, :find) { license } }
+    before { get :show, id: 1 }
+
+    it "redirects to photographs path" do
+      response.should redirect_to license_photographs_path(license)
+    end
+  end
+end
diff --git a/spec/helpers/licenses_helper_spec.rb b/spec/helpers/licenses_helper_spec.rb
new file mode 100644
index 00000000..832b7963
--- /dev/null
+++ b/spec/helpers/licenses_helper_spec.rb
@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+# Specs in this file have access to a helper object that includes
+# the LicensesHelper. For example:
+#
+# describe LicensesHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       helper.concat_strings("this","that").should == "this that"
+#     end
+#   end
+# end
+describe LicensesHelper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end
diff --git a/spec/support/blueprints.rb b/spec/support/blueprints.rb
index 895948f4..126a676c 100644
--- a/spec/support/blueprints.rb
+++ b/spec/support/blueprints.rb
@@ -34,6 +34,12 @@
   follower
 end
 
+License.blueprint do
+  name { "Attribution" }
+  code { "CC-BY" }
+  slug { "cc-by" }
+end
+
 Metadata.blueprint do
   photograph
   title { Faker::Lorem.sentence }