Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Now home to a drinking establishment, this building has a macabre history.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

The second-highest train station in Europe.

A historic observatory precariously perched at the "Top of Europe."

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

An ancient fortification lives on in this Chinese city.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

A perfectly preserved hill village where the buildings are painted like white lace.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

The largest airborne operation in history was launched to capture this bridge.

At the base of this tower, a plaque marks the original center point of the Netherlands.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

The cutest way to stay safe in traffic.

Organisms normally seen under a microscope decorate this church.

The tallest mountain in mainland Netherlands isn't actually very tall.