A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

A stunning example of traditional salt production set against a dramatic volcanic landscape.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This roadside shrine to an unofficial saint has welcomed the wishes and prayers of local believers for generations.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

A World War II-era sign in Valletta is a reminder of when Malta was besieged so severely that food needed to be rationed.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

For over two centuries, this palace served as a residence for the Holy Roman Inquisition's leaders, a courthouse, and a prison.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

This Stone Age solar temple aligns with the sun on each equinox and solstice.

The bones of prehistoric animals and early signs of human habitation have been found inside Malta's "cave of darkness."

So opulent and massive it was once dubbed a palace, this hotel's doors closed temporarily in 2007 and failed to reopen.

The oldest Marian image in the Canary Islands still impresses people nearly half a millennium later.