A 18th century graveyard and its astonishing cortege of macabre iconography.

A roadway designed for a visiting monarch.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

On the clock tower at St. Anne's Church in Cork, you never know which face is telling the truth.

These tiny statues form a terracotta army from China's Han dynasty.

The largest stone moai on Rapa Nui.

The world's most remote airport.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

The largest market in Guyana, designed and built by the Edge Moor Iron Company of Delaware.

The end appears to be nigh for the world's fourth-longest floating bridge.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The ruins of a medieval monastery named after a type of tree.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

This Neolithic passage tomb forms part of a World Heritage Site.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

The ancient tomb acts as a calendar that keeps perfect time.

A monument to the man who almost killed Hitler.