Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Huge stone depressions which may have acted as an Incan agricultural experiment.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A Christian monastery stands on what was once a holy Incan temple.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Former villa and estate of James Deering developed to preserve native tropical forests.

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

An eatery for UFO seekers on the Extraterrestrial Highway.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Dramatic river bend surrounds a natural red-rocked pedestal.

The fifth-longest natural arch in the world, and the longest outside China.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

Not quite the menace it once was, this monster still has some chops.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

The 10,000 Torii shrine.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.