A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

Where school buses go to die and be reborn as whimsical works of art.

Scattered around Atlanta are little doors with big charm.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

An impressive collection is dedicated to the legendary beast.

Mai Tais and Navy Grog served up in one of the original tiki bars.

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

Ruins of a Carnegie family mansion on Cumberland Island.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Bad farming practices caused this unnatural natural wonder.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

A stunning medieval castle owned and restored by the famed actor Jeremy Irons.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

Certain traditions prevail on the least-visited island of the Aran Islands.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

This natural sea arch highlights Ireland's rugged coastal beauty.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This single room has survived the centuries with almost no deterioration.

An 1814 castle that hosts an exhibit of "explorabilia".

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.