It took 82 years and four different plaques to finally get the story right.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

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

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Breathtaking and huge 430 year old maps of Italy.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

A contemporary fresco movement illustrates the region's rich history.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Right next to departures—how convenient!

The famous winding walk at Chartres is surrounded in mystery and myth.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Washington's iconic carousel has a nice piece of Civil Rights history.

35,000 grape hyacinths flow like water down a garden hill.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.