What was once believed to be a church floor turned out to be the artwork of geology.

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

This former farm In northern Iceland is now a museum, where visitors can tour beautifully-preserved turf houses.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

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

One woman's lifelong collection is on display in this unassuming house on an Icelandic fjord.

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

A "simple-hearted artist" turned an isolated Icelandic valley into his own art museum.

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

A modern Nordic Pompeii on the Icelandic island of Heimaey.

At this museum in Iceland, visitors can sample fermented Greenland shark.

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

This elderly couple's hand-picked collection of rare gems is one of the finest in all of Iceland.

A fantastic reconstruction of a 10th-century Viking longhouse.

The oldest bookstore in Iceland.

A lonely beacon, precariously perched atop a remote sliver of rock.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

A mountaintop museum of Bond props, sets, and cinematic secrets.

Bizarrely-painted church designed by a controversial artist.

The site of Austria's biggest concentration camp now honors its victims.

The world's largest historic armory was established by independent citizens to defend themselves from the wars of larger forces.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.