Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

Sweden's "good old days" painstakingly re-created in a model village.

The library's graceful rotunda is like a bibliophile's temple.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

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

This tiny museum's sizable collection is jammed into a former underground public toilet.

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

A former imperial sea-fortress and Soviet prison.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

"There's nothing there," and other lies the KGB told us.

This natural wonder is disappearing at an alarming rate.

A vertically floating hemlock controls the waves and weather at Crater Lake.

There is only one place in the world where the corners of four nations come together.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

This seemingly random 30-foot statue of an oryx in Qatar's capital was a mascot for the 2006 Asian Games.

Fossils, railroads, and waterfalls!

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.