Relics from an era long gone, sit idle outside this Estonian museum.

"There's nothing there," and other lies the KGB told us.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

Dakar is home to one of the oldest African art institutions in West Africa.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

This mosaic-covered bar is brimming with curated curios.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A haunting collection of the vanished and disappearing natural world.

This massive library holds what was once the largest book collection in the world.

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

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The laboratory where the Soviet secret police invented exotic poisons used to kill dissidents in hideous and (mostly) untraceable ways.

The composer did some of his finest work in this country home, including "The Nutcracker."

Volcanic irregularity? Odd erosion? Alien eggs? Local legends compete to explain these strange orbs.

Fascinating early attempt at a Jewish autonomous settlement.

A monument to the defenders of the Arctic in Murmansk, Russia.

An unusual abandoned church damaged in World War II sits in a small village outside Moscow.

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

Monastery complex at the location where bodies of the executed Romanov royal family were discovered.