The most powerful waterfall in all of Europe.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Rising from the sea like a stone monster.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Climb right into the heart of this colorful Iceland volcano.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A rustic house where intellectuals and investors tried to put an end to Cold War nuclear armament.

This remote piece of Cape Breton coast was the unceremonious landing site of the first solo, east-west transatlantic flight made by a female aviator.

Site of the first official transatlantic wireless communications.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The world's most remote airport.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

This large round boulder is said to emit spiritual power, but it may just be magnets.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

What was once a unique system of urban elevators is turning into a mechanical ruin.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

The largest stone moai on Rapa Nui.

This observatory high on a hilltop in the center of Santiago got its start in 1852.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.