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.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

A little sculpture with a large wardrobe.

This house's itty bitty size means no humans allowed.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

What was once the largest NFL stadium.

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

A Red Hook dive bar that is holding onto its roots.

This black church sits alone among a field of lava rock.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

World's largest Christmas store.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

This freshwater spring fills with 10,000 gallons of water per minute.