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

One man spent 10 years building a spectacular section of road because no one else would.

The shortest river in America flows for just 201 feet.

The intended purpose of this unfinished Elizabethan building remains a mystery.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The world's first hotel built in an abandoned water-filled quarry.

At high tide this strange footbridge appears to have no purpose whatsoever.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

Hidden in the hills is a mysterious stone structure, known only to a few.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

A collection of odd-shaped and quirky sounding instruments handmade by a midcentury inventor-composer.

Ride a dragon train into a world of dwarves.

Sleep amongst an abundance of art from the modern era.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

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

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

This unique tower has been home to malaria-fighting bats for 100 years.

Once-buried markers show England’s lowest land point keeps getting lower.

There once was a man named Lear / Who found limericks so dear / His final resting space / Is an unusual place / Most people don’t know he’s here.

The largest of only eight working transporter bridges left in the world.

The unusual lighthouse looms over waves of prairies with no sea in sight.

Rent out a glass igloo to watch the Northern Lights like you live in the future.