Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

A sulfuric martian landscape that looks far better than it smells.

This tiny museum's sizable collection is jammed into a former underground public toilet.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

The most powerful waterfall in all of Europe.

This elegant arc of a waterfall marks a religious turning point.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

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

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

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

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

A quick trip around the globe through an amazing miniature exhibit.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

This miniature village stays behind in the Breuer Building, even as the museums around it come and go.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.