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

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

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Watch the newest land on the planet form before your eyes.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

Oldest surviving example of a Dutch saltbox frame house in America.

Now containing the bones of the actual conquistador, instead of someone else.

An apparition of Virgin Mary in Herzegovina.

Oriental bazaar in the heart of Sarajevo.

Controversial site of what could be Europe's first pyramid.

A "miracle" that seems to produce more holy fistfights than holy revelations.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

North America's oldest authentic African Village.

Pink, packed sanctuary and home of the world's fullest-time Elvis fanatic.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Earth's greatest purely vertical drop at 4,101 feet.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Macabre astrological automaton clock dating to the late 1400s.

The curious underground history of keeping Paris clean.

A Natural History and Science Emporium.

China's most famous acrobatics act.