A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

2300-year-old Roman road connecting the empire.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

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

Virgil's many-mouthed gateway to the underworld.

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

The glowing blue Nymphaeum of Emperor Tiberius.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

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

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

An endless sea of white conical domes.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.