This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

A monument dedicated to the civil uprisings that took place during the Pots and Pans Revolution.

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

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

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

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

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

Three columns of volcanic rock shoot out of the ocean.

Along this wire fence, travelers have been leaving a particular memento since 2012.

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

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

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

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

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A toxic ghost town sitting atop a massive coal fire.

A trading post in the North Pole where children send letters.

Built by the patriotic residents of Boonsboro in a single day.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.