The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Rare karst landscape eroded from a flat seabed.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

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

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

The world's largest wooden structure.

A lush oasis full of vibrant plants and striking geometric displays.

These small, triangular, colorful houses are a staple of Madeira Island.

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

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

This floating sculpture of ice is a poignant reminder of nature's power.

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

Walk behind a 50-meter-high waterfall.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Britain's only herd of free-ranging reindeer.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.