Renaissance villa and gardens complete with a tormented colossus.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

A fortified city, home to a remaining population of five families

Eighty million natural history specimens call this gargantuan museum home.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

The final resting place of soldiers' loyal canine companions.

360° views of the city plus five floors of optical illusions and hands-on science.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Sweden's "good old days" painstakingly re-created in a model village.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

Macabre astrological automaton clock dating to the late 1400s.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Turkish adventurer antiques in the heart of the Grand Bazaar.

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

Ancient serpentine sacrifice holder that has stood the test of time.

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.

Roman ruins top white travertine terraces formed by ancient hot springs.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.