Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A remote forest of stone pillars along the Lena river.

Site of the largest impact event to occur over land in Earth's recorded history.

The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

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

Former headquarters of the KGB.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

Nightmarish example of the unintended consequences of weapons testing.

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.

Stunning examples of Russia's 18th-century wooden architecture.

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

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

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

As part of a larger public art project, three pillars honor the past of Wincobank.

In England, an 18th-century water-powered workshop still stands.

A retro walk through the history of the tube.

In the ancient Woolley Woods, an art project promises access to new worlds.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

Three memorials honor the victims of the worst sports stadium disaster in Britain.

This magnificent mural was created with over 30,000 colored bricks.