The easternmost town in Alaska can only be accessed from Canada.

Roadside collection of 65,000 signs.

At a lodge and RV park is a collection of headwear that comes in at more than 11,300 and counting.

Featuring the last fully walkable parapet walkway in Europe.

A ruined castle stands atop a hill surrounded by dragon lore.

This medieval settlement was abandoned after a series of landslides. What remained was largely destroyed during a mock battle for a WWII film reel.

The pristine waters crossing this forest form a hidden waterfall among the dense vegetation.

The remains of this medieval Roman road and lookout towers dot the rugged coastline of southern Lazio.

Hidden in a high mountain cave, this hermitage dates back to the ninth century.

This abandoned Victorian-style house was built in 1884.

This small museum located under the famous cube houses, is home to some 30,000 chess pieces.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Led Zeppelin wrote some of their most iconic songs at this little 18th-century Welsh cottage.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

This castle was once considered as an option for the Royal Family's alternate residence, but you may know it better from the 'X-Men' movie.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

A monk spent 14 years carving steps through tuff to make this religious site more accessible to pilgrims.

The ruins of this ancient fortification wall sit in the middle of a quiet, residential intersection.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

148 feet long and in the middle of a verdant forest.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare enter it.

Nestled amid the trees lies an abandoned funicular railway that dates back to the 1920s.

The hilltop town of Segni was once home to an ancient Roman colony and garrison.

A shrine dedicated to a 10th-century samurai emperor, whose head is not buried on site (contrary to popular belief).