diff --git a/404.php b/404.php
new file mode 100644
index 0000000..e67aabb
--- /dev/null
+++ b/404.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * The template for displaying 404 pages (not found)
+ */
+
+get_header();
+?>
+
+<main id="primary" class="site-main container text-center my-5 py-5">
+    <section class="error-404 not-found d-flex flex-column align-items-center justify-content-center"
+        style="min-height: 50vh;">
+        <h1 class="display-1 fw-bold font-serif text-primary mb-3">404</h1>
+        <h2 class="h3 font-sans mb-4">Page Not Found</h2>
+        <p class="lead text-muted font-sans mb-5 w-75 mx-auto">
+            <?php esc_html_e('It looks like nothing was found at this location. Perhaps searching can help.', 'wisdom1'); ?>
+        </p>
+
+        <div class="search-container w-100" style="max-width: 500px;">
+            <?php get_search_form(); ?>
+        </div>
+
+        <div class="mt-5">
+            <a href="<?php echo esc_url(home_url('/')); ?>"
+                class="btn btn-secondary btn-lg px-4 fs-6 text-uppercase fw-bold rounded-pill shadow-sm">
+                Return to Home
+            </a>
+        </div>
+    </section><!-- .error-404 -->
+</main><!-- #main -->
+
+<?php
+get_footer();
diff --git a/archive.php b/archive.php
new file mode 100644
index 0000000..50c5581
--- /dev/null
+++ b/archive.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * The template for displaying standard archive pages
+ */
+
+get_header(); ?>
+
+<div class="bg-light py-5 border-bottom mb-5">
+    <div class="container text-center">
+        <h1 class="display-5 fw-bold mb-3">
+            <?php the_archive_title(); ?>
+        </h1>
+        <?php if (get_the_archive_description()): ?>
+            <div class="lead text-muted mx-auto w-75">
+                <?php the_archive_description(); ?>
+            </div>
+        <?php endif; ?>
+    </div>
+</div>
+
+<div class="container mb-5">
+    <main id="primary" class="site-main">
+        <div class="row g-4">
+            <?php
+            if (have_posts()):
+                while (have_posts()):
+                    the_post();
+                    get_template_part('template-parts/content', 'card');
+                endwhile;
+
+                echo '</div>'; // close row
+            
+                the_posts_navigation(array(
+                    'screen_reader_text' => 'Posts navigation',
+                    'prev_text' => '<span class="btn btn-outline-primary">&larr; Older Posts</span>',
+                    'next_text' => '<span class="btn btn-outline-primary">Newer Posts &rarr;</span>',
+                    'class' => 'd-flex justify-content-between my-5'
+                ));
+            else:
+                echo '<div class="col-12"><div class="alert alert-info text-center">' . esc_html__('No archives found.', 'wisdom1') . '</div></div></div>'; // close row and alert
+            endif;
+            ?>
+    </main>
+</div>
+
+<?php
+get_footer();
diff --git a/search.php b/search.php
new file mode 100644
index 0000000..f1482a6
--- /dev/null
+++ b/search.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * The template for displaying search results pages
+ */
+
+get_header();
+?>
+
+<div class="bg-light py-5 border-bottom mb-5">
+    <div class="container text-center">
+        <h1 class="display-5 fw-bold mb-3">
+            <?php
+            /* translators: %s: search query. */
+            printf(esc_html__('Search Results for: %s', 'wisdom1'), '<span>' . get_search_query() . '</span>');
+            ?>
+        </h1>
+    </div>
+</div>
+
+<main id="primary" class="site-main container mb-5">
+    <div class="row g-4">
+        <?php if (have_posts()): ?>
+            <?php
+            /* Start the Loop */
+            while (have_posts()):
+                the_post();
+                get_template_part('template-parts/content', 'card');
+            endwhile;
+
+            the_posts_navigation(array(
+                'screen_reader_text' => 'Posts navigation',
+                'prev_text' => '<span class="btn btn-outline-primary">&larr; Older Results</span>',
+                'next_text' => '<span class="btn btn-outline-primary">Newer Results &rarr;</span>',
+                'class' => 'd-flex justify-content-between my-5 col-12'
+            ));
+
+        else:
+            ?>
+            <div class="col-12 text-center py-5">
+                <h2 class="h3 mb-4">Nothing Found</h2>
+                <p class="lead text-muted mb-4">Sorry, but nothing matched your search terms. Please try again with some
+                    different keywords.</p>
+                <div class="search-container mx-auto" style="max-width: 500px;">
+                    <?php get_search_form(); ?>
+                </div>
+            </div>
+            <?php
+        endif;
+        ?>
+    </div><!-- .row -->
+</main><!-- #main -->
+
+<?php
+get_footer();