On a corner of the Ardmeanach peninsula on the Isle of Mull, a 50 million-year-old fossil tree hides in the coastal cliffs.

Once the overnight home of Mary Queen of Scots.

Associated with the famous wizard, it is said that when this oak tree falls, so will the town.

Several bricks indicate the various flood levels this crossing has survived over the centuries.

Visit an imposing 13th-century Transylvanian citadel lurking not far from the region's more heavily touristed attractions.

This exaggerated sculpture resembles a well known feature of Vancouver:

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

The bell that once tolled atop a lost Edinburgh gate now hangs for all to see.

This diesel train serviced the Brooklyn waterfront for more than three decades.

One of the oldest surviving bars in the United States, located at the site of the last skirmish of the American Revolution.

A historic covered bridge, only one of two remaining in North Carolina.

Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

This 17th-century Portuguese fort now houses a nautical museum.

This large stone off the coast of Martinique had a brief career in the Royal Navy.

The ruins of a sixth-century monastery sit on the banks of the River Shannon.

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

A former church that has been chronicling the Scottish island of Islay's rich history since the 70s.

This remote Scottish island has the only round church in the nation.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

This super steep hike ascends 2,000 feet in less than a mile.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

A monument to a Polish general who fought the American Revolution and became the "Father of the American Cavalry."