Spend the night in this formerly abandoned traditional Scottish village.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

The former headquarters of history's oldest megacorporation.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

The mirrored section takes the shape of Hebrew characters when viewed from above.

A tunnel with windows, so you don't miss out on the impressive views.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Historic funicular railway, believed to be the shortest railroad in the world.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Quite simply the largest tree in the world (by volume).

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A castle that was built stone by stone by an eccentric journalist.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

America's most famous piece of self-built architecture.