An extraordinary collection of 18th century anatomical waxworks.

The mummified relic of St. Catherine sits forever on a golden throne.

100 year tradition of fist fights, marked by marble footsteps.

The only museum with its curator—and her pets—buried inside.

Go inside to really appreciate this 500-year-old technological masterpiece.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This famous city eluded concrete detection until the early 2000's.

The ancient latrines of the Greeks, in all their public glory.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

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 with the discharge from a geothermal energy 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.