This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

A public work of art that also provides some relief from the summer heat.

Strange rumors surround the artist who created these solemn metal guard dogs.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

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

In one of the world's smallest countries, a royal's personal winery is open to the public.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

Visitors may notice something strange walking through this quaint German town.

Volkswagen's dedicated museum dives into the complex history of one of the world's best known cars.

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

This stately Victorian-era burial ground overlooking the Pacific Ocean is home to the graves of some of British Columbia's most famous figures.

This patch of old-growth forest is home to Canada's gnarliest tree.

Known as "Toronto's Flatiron."

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

This 13th century Orthodox monastery is built right into the Moldovan cliffside.

Once the tallest building in Chisinau, this unique tower is a relic of Soviet architecture.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Over time, this castle grew to encompass the entire island.