These strange piles of magnetized volcanic ash travel across the desert about 50 feet per year.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

An ancient knight and a symbol of the city's freedom.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Hear the quietest sound from across the dome.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Baroque celebration of the end of the Great Plague of Vienna.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This poignant display is now a memorial to these regionally extinct species.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This impressive scene portrays the elusive forest giraffe of Central Africa.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

You must take the A train... to the last active cemetery in Manhattan.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

There must be a pun in this haystack somewhere...

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

A bit of retro transportation flair preserved in the world's largest department store.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.