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

Former headquarters of the KGB.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

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

The little bear in the "funny kind of hat" has made his way from London back to Peru.

Cavernous opening completely encased in Karst limestone.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

The legend associated with these ruins understates the splendor of the mansion that once stood here.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

Nature took her revenge on the "Wickedest City in the World."

The subtle interplay of fire and water is hard to ignore at this remote Jamaican spring.

400-year-old garden, restored to beauty.

The largest greenhouse in the world is home to over one million types of plants.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

A museum devoted to the science of color.

The tallest freestanding structure in the United Kingdom.

The world's most active stratovolcano is almost always erupting.

80 years of the Battle of Peasholm on a small English lake.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.