Waterfalls, rapids, and top-notch swimming spots await in this densely forested corner of the Smokies.

Trek up to an abandoned fire lookout from the 1930s for an unimpeded view.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

A dozen cast iron leopards stand guard along the length of Aberdeen's Union Bridge.

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

The final resting place of soldiers' loyal canine companions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

One of England's most famous churches hides a pair of little known architectural treasures.

This skewed English house has looked like it's going to fall over for centuries.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

One of the oldest seagoing boats in the world can be found at the Dover Museum.

A student driver's nightmare.

At just 51 feet and 10 inches long, it's the shortest street in England.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

The bronze uniforms commemorate the vital role of women during World War II.