This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This grassy, tree-lined hill shares a name with the much-loved novel that it inspired.

Vermont's hills are alive with the sound of music at this historic hotel.

Once used to protect important Roman trade routes.

A historic jail preserves etchings from over a century of incarcerated people in a town with a rough and tumble past.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

Water and windows define this defensive Italian well.

The ruins of a 15th-century castle that has seen its fair share of bitter feuds.

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy.

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

This location holds the truth to what truly happened that faithful night.

Packed with geological formations, an ancient river, and taxidermied seals, this overlooked coastal cave system is worth a spelunk.

Now in ruins, this castle stood for centuries and saw a number of gruesome events.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

The overgrown ruins of this once majestic castle sit forlornly in the Scottish countryside.

Once considered one of the country's finest motte and bailey castles.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

A former church that has been chronicling the Scottish island of Islay's rich history since the 70s.

Limestone grottoes turns everyday objects into stone.

Beside the pew where C.S. Lewis often sat while attending church, a window filled with characters from his beloved stories.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

In which a local geological marvel becomes a quaint roadside attraction.

A gargantuan crystal kingdom.

It's believed a castle existed at this site since the 12th century.