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

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

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

An abandoned train station in Munich constructed for the 1972 Olympic games.

Visiting this café is like visiting the Austrian grandma you wish you had.

The metal leaves on this tree are engraved with the names of Holocaust victims.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

This sculpture honors the man who was known as the "Righteous Among the Nations."

This historic black and white monastery is one of Bulgaria's architectural jewels.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

This building has two facades of clashing architectural designs.

"Holy Wisdom" overlooks the city that became its namesake.

Sofia's legislative center is continuously reinventing itself.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A cluster of headless, armless sculptures looms within a popular Polish park.

The oldest wind turbine in Europe, constructed by a group of friends in 1932.

An abandoned football stadium with a tragic past.

The silly symbol for an underground protest group is now scattered around the city.

A collection of old neon signs from all over Poland line a secluded courtyard.

Building owners can take out tiles for free at this repository for historic building materials.

A hidden three-foot-wide house separates these two regal churches.