Cooks at this tiny takeout spot grind their rice flour in a stone mill each morning for perfect cheung fun.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

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

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

This small museum tucked within a subway station holds pieces from Madrid's past.

Grab a cuppa at England's first and only domestic tea plantation.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This sublime architectural marvel is a rare example of an expressionist church.

Dead weights honor the dead of Portugal's fishing industry.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Rome's ancient Etruscan rival, now a park full of ruins.

Roman-era ships unearthed...

Jesus' footprints and the first catacombs in the world.

Gods clash with machines in a power plant regenerated as a museum.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.