Maine's oldest diner also happens to win acclaim for its elevated comfort food.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

This shop for all your super spy needs hides an educational secret.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Washington's iconic carousel has a nice piece of Civil Rights history.

This stunning concert hall has become a symbol of Iceland's national recovery.

Medicinal spa created with the discharge from a geothermal energy plant.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

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

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

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

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

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

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

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

This replica Viking village was created for a film that was never shot and is now open to visitors.

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Three columns of volcanic rock shoot out of the ocean.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

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