The "first cat," "first dog," and even a presidential pygmy hippo all get their due in this museum.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Fifty years after a “blast blasted blubber beyond all believable bounds,” this idyllic natural area commemorates the carnage.

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

This small, rural pioneer cemetery is full of interesting grave markers.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Ruins of an American Civil War iron forge still survive today.

This research center for rare prosimians is studying how they sleep to help prolong human life.

This vast kitty-themed collection illustrates the history of human-cat interaction.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This museum presents a dogged pursuit of 500 years of veterinary history.

An adorably sweet display of sculpted Precious Moments figurines.

Where the author wrote her beloved "Little House" books.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

This hidden stone has absorbed decades of human anxiety.

Carved faces add a touch of magic to this island's impressive oak trees.