This unique zoo is the only place in the world where you can see all 15 species of crane.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

A legendary rocking stone, returned to its clifftop perch.

These mysterious mazes carved on the rock may be up to 4,000 years old.

Perhaps the only prehistoric monument with its very own public bus stop.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

A circle stone within a stone circle.

A open air theatre built on a cliff by an eccentric British woman.

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

The largest greenhouse in the world is home to over one million types of plants.

A unique waterfall that some believe attracts the fairfolk.

400-year-old garden, restored to beauty.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

For one month, the fields and skies of Gibbon, Nebraska, come alive with one of the largest gatherings of sandhill cranes in North America.

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

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

Victorian-era Egyptomania left its mark on this Nashville landmark.

Dinosaurs invade a suburban Nashville neighborhood.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This replica of the Greek structure is in the heart of Nashville.

Nature's biggest mammal swims in landlocked Oklahoma.

The world's longest known cave system.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.