This picturesque island graveyard is the final resting place of dozens of notorious pirates.

The world's largest bioluminescent area was undiscovered by science until 2005.

The most alien-looking place on Earth.

Climb inside an iron crystal magnified 165 billion times its normal size.

Theme park featuring miniature replicas of European monuments.

Large miniature theme park with 100-plus models.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

Underground monastery and fortress.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Ancient rock-hewn town that witnessed key events of Georgian history.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Wander among the ghostly ruins of an island where civilization flourished for thousands of years.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

Swirling layers of white and red rock earned these mountains their festive nickname.

Gigantic natural towers in a Russian plateau.

The world's second-largest excavated hole.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

Someone left a Boeing 737 in a field in southern Bali.

The wing of this deserted Boeing 737 almost touches the Dunkin' Donuts next door.