This single-track road rewards brave drivers with stunning Scottish scenery.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

In 1990, this 37-foot red steel bottle sailed from New York to England.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A plaque on the base of this statue holds a bewitching design.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The former headquarters of history's oldest megacorporation.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Amsterdam's former hotspot for public executions and dissections.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

An early masterpiece of Le Corbusier, a famed Modernist architect, hiding in plain sight.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

The final resting place of the famed German pilot, the "Red Baron."

How did a lighthouse wind up in the middle of this landlocked German city?