This razorback ridgeline has doubled as a scenic drive since the early 1900s.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Jail from the 19th century that was built by inmates.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Boise State's stadium was the first non-green football field in the world.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

The largest outdoor art gallery in the Northwest United States.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A sprawling maze of used books piled from floor to ceiling.

Established in 1890, this Jacksonville institution is the longest running music venue in the state of Florida.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

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

The bronze uniforms commemorate the vital role of women during World War II.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.