Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

A plaque and memorabilia collection mark where A&W got its start.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

A science teacher's dream.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A monument to the art of slicing people open.

The iconic remains of the original Academic Hall that burned down in 1892.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

On the Oregon coast is a natural hole that seems to be draining the sea.

There's something big lurking beneath the surface of this tiny Oregon park.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

Handmade treasures from around the world.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

The beams of the New College, Oxford dining hall come with an amazing story.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

Hidden in plain sight, this creepy sculpture watches from above.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.