Ancient structures used to make and preserve ice in the deserts of Persia.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

A young Italian couple has been locked in an embrace for over 6,000 years.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Local legend says the remains of Father Christmas lie within the medieval grounds.

The crypts are so large they're basically their own underground church.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

The 14th-century ruins are said to contain healing powers.

A 14th-century European chapel sticks out of the facade of a Japanese hotel.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

A slightly surreal menagerie of structures that were lovingly spared from demolition and reconstructed in a field.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

A remarkably well preserved tower dating all the way back to the Iron Age.

These beautiful objects represent beautiful ideas.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A medieval church built up to defend its village.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

The oldest working mechanical clock in the world.

Numerical symbolism abound at East Asia's oldest observatory.

Light still pours into the ruins of this ancient Islamic observatory.