An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

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

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

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

360° views of the city plus five floors of optical illusions and hands-on science.

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

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Neo-cave art on the macro scale.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Victorian "Fancy Craft" Hair Wreaths and Relics.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The largest source of fossilized insects anywhere.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

This super steep hike ascends 2,000 feet in less than a mile.