A stained-glass window from the 15th century offers a vision of the end of the world.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

Rare and classic books by Black authors are the focus at this independent bookstore in a historic Atlanta neighborhood.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

Step past the gas pumps and into a fine French bistro.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

The world's only museum devoted to the wonders of fluorescence.

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

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

A fiery crater has been burning in the Karakum Desert since 1971.

Where monkeys run wild and the humans are caged.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

Enormous lake at the bottom of a unique cave system.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Perhaps the most spectacular grotto along the Algarve coastline.

More than five miles of underground passageways.

This collection of ferns from across the globe is the largest assortment in the United States.