D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Perhaps the most scandalous statue of America's first president.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Art Deco stylings conceal the true nature of this bridge.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

Protecting the dead from opportunistic body snatchers.

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

A sea cave with a waterfall and Viking past

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

Inside this art museum resides one of Glasgow's most famous musical instruments.

The fifth-longest natural arch in the world, and the longest outside China.

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

The unusual patterns in this rock formation result from two distinct modes of weathering.

10,000 flowered plants bloom in the City of Roses.

The magic's in the hole!

This working class sculpture pounds his hammer all the livelong day.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A museum dedicated to the history and exploration of both popular music and science fiction.

A wall of chewing gum moonlights as collective art.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

Largest lake in Great Britain measured by surface area.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A close look reveals that the Scottish monument is just slightly off-kilter.