A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

The last Victorian market in Belfast.

A museum marks and documents the site of the Titanic's launch.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

The most loyal of little dogs, or a Victorian era publicity stunt?

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A sweet symbol marks the place where torturous executions were once carried out.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The exhibition explores the Icelandic city's Viking Age history.

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The celebrated eyesore created by starry-eyed sweethearts.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.