This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

The best B-movies filmed on a shoestring budget were born here.

A heartbreaking monument showing the last morning in the life of Jane Griffith.

Records of the dead describe the myriad odd ways people used to die.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Holding the most bodies of any cemetery in the United States.

A crumbling hospital from the 1850s on Roosevelt Island.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

An extraordinary collection of 18th century anatomical waxworks.

The largest and most famous wax anatomical collection anywhere in the world.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

“It has nae lugs!”

A bronze tribute to the wildly popular video game from the '90s.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

"May prick nor purse ne'er fail you."

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.