The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Elevated freight railway turned wildly successful urban park.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

Dramatic river bend surrounds a natural red-rocked pedestal.

An exquisite tunnel of cascading flowers.

Most-visited and most-photographed slot canyon in the American Southwest.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Rippling sand dunes frozen in the Arizona rock.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.