The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Where condemned pirates met their grisly end at the gallows on the River Thames.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

A perilous medieval road leading right into the sea.

This building is more than 250 years old and was built in one of the first towns settled in Massachusetts.

Three acres of mythology-inspired sculptures are visible from the highway.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

The formidable fowl can be found standing near an isolated hiking path.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

A unique flight of canal locks that owe their form to 19th-century cost-saving measures.

A New Hampshire grave with a grudge.

This historic mini-suspension bridge was swept away once but is now here to stay.

During the 19th-century, this park was a vital trading fort.

These ruins have been linked to a sherbet factory that exploded, but the story may be entirely fictional.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

Experience a charming 1930's version of "infotainment."

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

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

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.