Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

One of Europe's oldest libraries.

Famously misunderstood wonder of the ancient world

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

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

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Come for the speed, leave in love with the desert.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The home of the Dead Sea Scrolls is an abstract modernist dream.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

This single room has survived the centuries with almost no deterioration.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.