Visitors to this library are in for a real-world education in modernist architecture.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

The last bastion of Roman presence north of the Alps looms over a German town.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The prototype for all Nazi concentration camps.

A water pumping station disguised as a residential home to assuage concerned neighbors now tricks most passersby.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

This historic lighthouse has been reincarnated as the perfect picnic place.

A World War II gun battery sits at the easternmost point of North America.