One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

A working miniature city designed to teach kids about safety and presumably city planning.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Hundreds of caves filled with thousands of centuries-old statues and murals.

This mountain trail inspired Nietzsche to complete his magnum opus.

Inside a former cabaret, seven floors of erotic art.

A grove of "candelabra redwoods" deep in California's Lost Coast.

Ancient human, animal, and geometric figures drawn in the earth.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

A stunning two-story timepiece within a medieval Brick Gothic church.

This replica of the Greek structure is in the heart of Nashville.

Hidden behind a gate in Greenwich Village is a little farmhouse that once served as the writing studio of a bestselling author.

Denmark’s never-ending bridge.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The world-record holder for the longest bridge stretching continuously over water.

This precariously perched fortress was once ruled by a crow-worshipping baron.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

A submerged archeological park still holds the wonders of a Roman Sodom.