Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Cat art as far as the eye can see.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

One of the last taxidermists in New York City.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Behind a grungy bodega facade, a Poblano family serves rich, home-cooked meals.

Have a steam and some blini at this cafe in a century-old bathhouse.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A very classy 1920s-era bar right in Grand Central Station.

This giant wooden treehouse within a sprawling garden has its own eatery.

This 19th-century pub features stained-glass windows celebrating Victorian-era "champions."

A train car sitting on a rooftop makes an unlikely and picturesque setting for dinner.

Turns out you can see the world without ever leaving Maine.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A centuries-old forgotten underworld lies beneath Malta.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

On a remote island, legend has it that a fiddler and his wife were turned to stone.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

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

A trio of giant megalithic stones in the middle of a golf course.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.