The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

Hidden beneath the streets of London is a secret subway that only carried mail.

A strange house built only at night, with rumored mystic inspiration.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

This 16th-century monastery has been turned into a surrealist architecture compound.

Architectureal fantasy quarter of Rome.

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

Gods clash with machines in a power plant regenerated as a museum.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

A huge cathedral single-handedly constructed by one eccentric monk.

A fiery-red region of scooped out land still largely untouched by civilization, tourists or otherwise.

12th-century holy complex shares land with a natural park full of heavenly waterfalls and raptors.

The tiny Spanish village that long refused to change its outrageously anti-Semitic name.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

"Alleys of Stone" form natural mazes in Spanish natural park.

Picturesque intersection of witchcraft and ancient Christianity.

Walls of stone rise up from sinkholes caused by underwater erosion.