An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

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

This natural wonder is disappearing at an alarming rate.

A vertically floating hemlock controls the waves and weather at Crater Lake.

There is only one place in the world where the corners of four nations come together.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

This seemingly random 30-foot statue of an oryx in Qatar's capital was a mascot for the 2006 Asian Games.

Fossils, railroads, and waterfalls!

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.

The granite head appears to be deep in thought and half buried in the ground.

This house of worship in the Arctic Circle is shaped like an igloo.

This greenhouse was once a hockey arena.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

Guatemalan womanizer, venerated during Holy Week.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

A century-old bathhouse that provides the luxury of warm water to rural Guatemalans.

Experiencing Guatemala's sensory-exploding church is a blunt reminder of European influence.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

Volcanically heated hot springs.