It might not be as impossible to reach as its name would imply, but just about.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

This abandoned, turn-of-the-century astronomy hub is now the subject of more photographs than it ever took.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

Earth's greatest purely vertical drop at 4,101 feet.

This breathtaking island on Rwanda’s Lake Kivu is a haven for thousands of fruit bats.

One of the capital's last independent milk bars remains a crucial community watering hole.

An enormous, 30-story-deep hole in the middle of Guatemala City.

An impressive century-old, to-scale topographical map of Guatemala.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

A breathtaking 19th-century trail overlooks Lake Tahoe.

Breathtaking and huge 430 year old maps of Italy.

A science fiction-inspired apartment building designed by a famous Spanish architect.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.