Megachurch turned Catholic church comprised of 10,000 glass panes.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

The legendary building that needed ghostly approval before being built.

Commonly referred to as the most photographed Victorian home in the United States.

A simple plaque remembers a California island massacre that claimed more than 100 lives.

This high desert botanical garden is a unique display of New Mexico’s ecology and culture.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

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

A fascinating little museum all about the rich history of Peru’s famous plant.

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

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

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

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

Did Inca children also slide down these smooth rocky slopes above Cusco?

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

A barbarous band of serpents guard the bases of these Aztec temples.

Death rituals and sacrifice inside a Peruvian megalith.