The castle still holds traces of the abandoned Roman fort it was built atop.

These haunting ruins belong to an ancient village that once had one hell of a view.

Britain's only herd of free-ranging reindeer.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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

An ancient neolithic tomb that only sees the sun twice a year.

Famously misunderstood wonder of the ancient world

Giant pigeon houses packed into city streets in Egypt.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Ancient Egyptian relief, claimed to depict an electrical light.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

Brightly painted boulders scattered throughout the Sinai Desert.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Even King Tut was intrigued by the glass of the Great Sand Sea.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

An ancient city exhumed from the depths of the ocean.

Ozymandias’ time-keeping temple.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

An endless sea of white conical domes.

Vast stretch of tide-pools with a unique Moroccan charm.

The oldest known university in the world is in Fez, Morocco.

The true depths of these stunning Moroccan caves are unknown.

This ancient fortress in Iran was once the oldest and largest treasury in the world.