The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This 400-year-old sweet shop serves a delicacy some have described as "edible incense."

Order cookies baked by cloistered nuns in a 400-year-old monastery.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

An Englishman loses his scalp to a Cheyenne warrior and lives to donate it to a library.

One man built this massive wall to keep his neighbor from complaining about working on Sundays.

The way that light hits a stained glass window on a specific day is one of many "clues" to a mysterious treasure.

Every summer, this shrine sets up a tiny drinking fountain reserved for thirsty apians.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

Bioluminescent firefly squid light up this Japanese fishing port.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

The Hveragerði fissure runs through this unassuming shopping center.

According to legend, this tomb holds the secrets to time travel.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

An incredibly well-preserved piece of ninth-century Viking poop.

Next to the Malaysian Prime Minister’s office stands this rose-colored mosque.