A breathtaking flower tunnel bursts with beautiful golden blossoms.

The wooden airship was the largest flying boat ever built.

A dreamy mausoleum honors Persia's most famous poet.

The abandoned summer estate of the former Greek Royal Family.

An underwater statue of Christ blesses the depths off Key Largo.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

Elaborate patterns adorn the city's disappearing traditional architecture.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A sacred lake with thousands of sacred carp and a biblical history.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

The location of the last witch trials of Italy, known as "The Salem of Europe."

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

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

An alchemist's "magic door" stands in the middle of a Roman park.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

Hideout of thieves, monks, and goat-footed gods.

Giant marble phalluses on the sacred island of antiquity.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

The hallucinogenic center of the ancient world.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

This magical and eccentric stepwell is a hidden treasure within the ancient fort city of Mandu.