The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

Winter roadtrips are a little more exciting on this seasonal, slippery expansion of Sweden's national highway system.

A former top secret military tunnel is now stuffed with snow and open year-round to skiers.

This abandoned five-star hotel is now a five-star urban exploration destination.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

An eerie, derelict amusement park in Berlin.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

This former quarry is now a picturesque gorge that hides a sunken lake.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

The personal charnel house of Anton Bruckner.