This mysterious church sits discreetly above the Aude countryside, right in the heart of "Grail Country."

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

A strange Georgian folly sits atop a lonely hill.

The small bright red pillar survived the 1996 Manchester bombing virtually unscathed.

This nondescript building hides an entrance to an underground nuclear tunnel system.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A seaside town with no sea in sight.

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

Famously misunderstood wonder of the ancient world

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

A historic Georgian building and warm springs.

Follow the original medieval paths that wind through this intriguing section of the city.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

An ancient necropolis of magnificent tombs.

The tiny statues form China's only known terracotta army from the Han dynasty.

This psychedelic tourist trap is a leisurely descent into madness.

The most famous location in China was home to whole dynasties worth of imperial rulers.

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.