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

This German monument honors the so-called "Prince of Mathematicians."

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

This strange statue features a bust of the famous composer plopped atop a woman's body.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

A beloved street vendor is memorialized outside a German train station.

Renowned mathematician and physicist Carl Friedrich Gauss once worked at this observatory.

A collection of antique telescopes dot the halls of the university's astrophysics department.

A 1:2 billion-scale solar system leads visitors into this German university town.

It commemorates one of the world's earliest telegraphs.

Final resting place of the humble physicist who discovered X-rays, and made the invisible visible.

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.

The unusually large seat sits atop the base of a ruined temple.

The telescope that discovered Neptune.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The mass grave of the 27 victims of the "Vampire of Hanover."

A spitting ode to a German serial killer.