The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This massive library holds what was once the largest book collection in the world.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An emerald-green grotto just a short trip from Austin.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Rippling sand dunes frozen in the Arizona rock.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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