diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
index bd96321aa26f..7c12877ec1c7 100644
--- a/lib/mpl_toolkits/mplot3d/axes3d.py
+++ b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -2158,7 +2158,7 @@ def tricontourf(self, *args, zdir='z', offset=None, **kwargs):
         self._auto_scale_contourf(X, Y, Z, zdir, levels, had_data)
         return cset
 
-    def add_collection3d(self, col, zs=0, zdir='z'):
+    def add_collection3d(self, col, zs=0, zdir='z', autolim=True):
         """
         Add a 3D collection object to the plot.
 
@@ -2171,6 +2171,9 @@ def add_collection3d(self, col, zs=0, zdir='z'):
         - LineCollection
         - PatchCollection
         """
+
+        had_data = self.has_data()
+
         zvals = np.atleast_1d(zs)
         zsortval = (np.min(zvals) if zvals.size
                     else 0)  # FIXME: arbitrary default
@@ -2188,6 +2191,26 @@ def add_collection3d(self, col, zs=0, zdir='z'):
             art3d.patch_collection_2d_to_3d(col, zs=zs, zdir=zdir)
             col.set_sort_zpos(zsortval)
 
+        # FIXME: Implement auto-scaling function for Patch3DCollection
+        # Currently unable to do so due to issues with Patch3DCollection
+        # See issue #14298 for details
+
+        # Bounding box checks
+        # If a 2D collection was passed, it has been converted to 3D
+
+        if autolim:
+            if type(col) is art3d.Line3DCollection:
+                # Calculate bounds of Line3DCollection
+                tSeg = np.array(col._segments3d)  # Copy coordinates
+                # Auto-scale with start points
+                self.auto_scale_xyz(*tSeg[:, 0].transpose(), had_data=had_data)
+                # Auto-scale with end points
+                self.auto_scale_xyz(*tSeg[:, 1].transpose(), had_data=True)
+
+            if type(col) is art3d.Poly3DCollection:
+                # Calculate bounds of poly collection
+                self.auto_scale_xyz(*col._vec[:-1], had_data=had_data)
+
         collection = super().add_collection(col)
         return collection
 
diff --git a/lib/mpl_toolkits/mplot3d/tests/baseline_images/test_axes3d/voxels-named-colors.png b/lib/mpl_toolkits/mplot3d/tests/baseline_images/test_axes3d/voxels-named-colors.png
index 20bf16a37f56..1c4b5d04de6e 100644
Binary files a/lib/mpl_toolkits/mplot3d/tests/baseline_images/test_axes3d/voxels-named-colors.png and b/lib/mpl_toolkits/mplot3d/tests/baseline_images/test_axes3d/voxels-named-colors.png differ
diff --git a/lib/mpl_toolkits/mplot3d/tests/test_axes3d.py b/lib/mpl_toolkits/mplot3d/tests/test_axes3d.py
index 796151ae3ea6..95edd0f5ce84 100644
--- a/lib/mpl_toolkits/mplot3d/tests/test_axes3d.py
+++ b/lib/mpl_toolkits/mplot3d/tests/test_axes3d.py
@@ -868,8 +868,8 @@ def test_poly3dcollection_closed():
                                 facecolor=(0.5, 0.5, 1, 0.5), closed=True)
     c2 = art3d.Poly3DCollection([poly2], linewidths=3, edgecolor='k',
                                 facecolor=(1, 0.5, 0.5, 0.5), closed=False)
-    ax.add_collection3d(c1)
-    ax.add_collection3d(c2)
+    ax.add_collection3d(c1, autolim=False)
+    ax.add_collection3d(c2, autolim=False)
 
 
 def test_poly_collection_2d_to_3d_empty():
@@ -902,8 +902,8 @@ def test_poly3dcollection_alpha():
     c2.set_facecolor((1, 0.5, 0.5))
     c2.set_edgecolor('k')
     c2.set_alpha(0.5)
-    ax.add_collection3d(c1)
-    ax.add_collection3d(c2)
+    ax.add_collection3d(c1, autolim=False)
+    ax.add_collection3d(c2, autolim=False)
 
 
 @mpl3d_image_comparison(['add_collection3d_zs_array.png'])
@@ -960,6 +960,32 @@ def test_add_collection3d_zs_scalar():
     ax.set_zlim(0, 2)
 
 
+def test_line3dCollection_autoscaling():
+    fig = plt.figure()
+    ax = fig.add_subplot(projection='3d')
+
+    lines = [[(0, 0, 0), (1, 4, 2)],
+             [(1, 1, 3), (2, 0, 2)],
+             [(1, 0, 4), (1, 4, 5)]]
+
+    lc = art3d.Line3DCollection(lines)
+    ax.add_collection3d(lc)
+    assert np.allclose(ax.get_xlim3d(), (0, 2))
+    assert np.allclose(ax.get_ylim3d(), (0, 4))
+    assert np.allclose(ax.get_zlim3d(), (0, 5))
+
+
+def test_poly3dCollection_autoscaling():
+    fig = plt.figure()
+    ax = fig.add_subplot(projection='3d')
+    poly = np.array([[0, 0, 0], [1, 1, 3], [1, 0, 4]])
+    coll = art3d.Poly3DCollection([poly])
+    ax.add_collection3d(coll)
+    assert np.allclose(ax.get_xlim3d(), (0, 1))
+    assert np.allclose(ax.get_ylim3d(), (0, 1))
+    assert np.allclose(ax.get_zlim3d(), (0, 4))
+
+
 @mpl3d_image_comparison(['axes3d_labelpad.png'], remove_text=False)
 def test_axes3d_labelpad():
     fig = plt.figure()