A little-known ruin with a convoluted history and a fascinating latrine drainage system.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

This small, hidden cove is home to abandoned boats.

In a sleepy village in Oxfordshire, the visionary English writer's gravesite attracts a yearly pilgrimage.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Bioluminescence in the reefs of the Maldives causes the sea to glow like a starry night sky.

A stunning Victorian abbey and walled garden on a lakefront.

This magnificent mausoleum is as much a work of art as it is a historic resting place.

Only a fragment of this 15th-century Dance of Death survives today.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The house where the writer spent his formative years.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This quaint funicular has been ferrying people up and down an English valley since the Victorian era.

These skilfully executed, poignant works of art dot a verdant Scottish dell.

A calm and comfortable place to hang out with cats and kittens up for adoption.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

The colorful stairs are made with marble from the world's major quarries.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A seaside town with no sea in sight.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This spooky statue sits outside a famous Prague theater.

A beautiful medieval bridge allegedly constructed by the Devil.