These ancient ruins were the final resting place of King Henry II's mistress.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Eclectic final resting place of the controversial explorer.

This home on a quiet suburban street is completely covered with vibrant mosaics.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

This whimsical garbage disposal facility receives around 12,000 accidental tourists each year.

Explore the evolution of printing technology, from cuneiform to Kindle.

China’s breathtaking futuristic library is lined floor to ceiling with fake books.

Guns that have been defending San Francisco since 1904.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

12th-century holy complex shares land with a natural park full of heavenly waterfalls and raptors.