A monumental oak commemorated for King Karl XII allegedly relieving himself against it

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

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

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.

A tiny village church in dramatic surroundings.

Three columns of volcanic rock shoot out of the ocean.

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

A geothermal paradise with bubbling mud pools and bright blue hot springs.

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

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

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

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

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

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

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

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.

"Unity, Creativity, Beauty."