A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

This strategically placed hill fort has served defensive forces from the Iron Age up until the 20th century.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Largest lake in Great Britain measured by surface area.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

A tumbling waterfall near a narrow passage that was used to herd cattle for hundreds of years.

A weird and wonderful collection of items that pique curiosity and haunt nightmares.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The rogue roots are gradually consuming some of the historic marble grave markers.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

This statue of the "father of television" stands prominently in the United States Capitol.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

The only Leonardo Da Vinci painting in the Western Hemisphere.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The 28,000-year-old specimen is remarkably intact.