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

The oldest operating pharmacy in the world features 800-year-old recipes.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The grave of the famous painter is marked by a simple stone in the ground.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

A moving memorial to the fallen and missing from WWI trenches.

A little sculpture with a large wardrobe.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

A lush indoor jungle fills this bustling Madrid transportation hub.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

A beautiful but toxic fountain of mercury.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.