The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This attraction was abandoned after the Chornobyl disaster.

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

This derelict superstructure was a very important warning system for the Soviet military.

Figures of unknown origin carved into the surfaces of underground caves.

A huge Megalithic chamber tomb located behind a cafe.

Whitewashed mosque contains the world's largest carpet.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Australia's first open air museum and antique 3D theater.

These naturally occurring but rare geological formations are each about the size of a small house.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

What remains of the summer palace of King Kamehameha III.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

The world's largest gathering of flatbed coupes can be found annually at this rural festival in New South Wales.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.