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."

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Fascinating town where normal life interfaces with the occult.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

An ancient hotspot for spotting schools of fish.

The largest greenhouse in the world is home to over one million types of plants.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

The modern birthplace of Irish freedom.

One of Ireland's most infamous prisons for rebels including men, women and children.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

The coldest city in the world.

A remote forest of stone pillars along the Lena river.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Museum celebrating the achievements of the Soviet space program.

Moscow's imposing monument to the Space Age.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

A 360 degree battlefield experience.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Gargantuan home of Russian science.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.