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

No two pieces are exactly the same at Portland's hippo-themed hardware store.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Tiny horses tethered to antique rings are scattered around the city.

10,000 flowered plants bloom in the City of Roses.

The wooden airship was the largest flying boat ever built.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Two massive rock outcroppings on the Oregon coastline.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This early version of the guillotine was used to execute the man responsible for its construction.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.