A church that bred legends, and served as an inspiration for the Da Vinci Code.

The most loyal of little dogs, or a Victorian era publicity stunt?

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

Protecting the dead from opportunistic body snatchers.

There has been an astronomical clock on this spot since the 14th century.

The hallucinogenic center of the ancient world.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Cliffs full of fossils at the portal to England's Jurassic Coast.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

The modern birthplace of Irish freedom.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The oldest Roman lighthouse still in use.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

The "dragon babies" of southeastern Europe.

A fantastic castle rumored to be the birthplace of King Arthur.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.