The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The ancient tomb acts as a calendar that keeps perfect time.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

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

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

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

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

One of Ireland's most infamous prisons for rebels including men, women and children.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Fantastic collection celebrating the final send-off.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.