Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

The most powerful waterfall in all of Europe.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This elegant arc of a waterfall marks a religious turning point.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A six-ton wedding present for the King of the Scots.

Protecting the dead from opportunistic body snatchers.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

The most loyal of little dogs, or a Victorian era publicity stunt?

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A collection of full-size movie monsters opened to the public.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

The world’s first penitentiary, meant to be humane, drove men insane.

The first American department store, and home to the largest operating musical instrument in the world.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.