The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

Giant marble phalluses on the sacred island of antiquity.

A spectacular cave and a beguiling lake.

Monasteries on rock pillars, once accessible only by frayed ropes.

The hallucinogenic center of the ancient world.

World's largest collection of serial killer artwork and other macabre exhibits.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

The USSR’s Conquest of Nature lead to the domestication of many moose—no squirrel.

Specimens collected by the author of "Lolita" and self-taught lepidopterist are exhibited in his childhood home.

Some of the world's only freshwater seals live in one very special lake in Russia.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

A little church on a tiny island looks like something from a fairy tale.

Palace where the nearly un-killable Rasputin was murdered.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

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

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

Moscow's imposing monument to the Space Age.

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