Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

A micronation on an islet along the coast of a Portuguese island.

A lush oasis full of vibrant plants and striking geometric displays.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

These small, triangular, colorful houses are a staple of Madeira Island.

This large, circular tomb is the final resting place of the first emperor of Rome.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

This ancient market is often referred to as the oldest shopping mall in the world.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

Sweden's southernmost point is located in this charming fishing village.

A skeletal collection of former nautical mainstays.

A famed drink seasoned with an amputated toe, now on its tenth digit.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

Norway's oldest cathedral still in use.

A former factory now pays tribute to a local industry fueled by sardines.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.