The vast, legendary catacombs hold secrets much stranger than stacked bones.

Op-art architecture designed for happiness.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This massive piece of aviation history calls this residential neighborhood home.

Dinosaur eggs were first discovered at these fiery red cliffs.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.

The colorful stairs are made with marble from the world's major quarries.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Now home to a drinking establishment, this building has a macabre history.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

Largest lake in Great Britain measured by surface area.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A scattered trail of street art adds a pop of color to the city's stark structures.

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

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

An architectural oddity hides in plain sight on this iconic London bridge.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.