This sign designates the road that leads to the infamous Area 51.

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

The longest step street in the city.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

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

Spend the night in this formerly abandoned traditional Scottish village.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

Everyone's favorite clay duo immortalized in bronze.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The remains of Crystal Palace Great Exhibition of 1851.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

On a remote island, legend has it that a fiddler and his wife were turned to stone.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.