The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Containing a personal collection of more than 1,200 jugs from around the world.

The oldest Roman lighthouse still in use.

A Romanesque tower appears when water levels drop.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This Spanish shoe museum has history, has design, and has a pair of Rafael Nadal's tennies!

The granddaddy of English geoglyphs dates back to the late Bronze Age.

A collection of retro plastic goods made with "the material of a thousand uses."

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This collection of hand fans doubles as a history of femininity.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The remains of diamond fever taken over by the desert.

Pompeii's less famous neighbor is still revealing her secrets.

The atmospheric road was never meant to be so creepy.

A gargantuan crystal kingdom.

Elevated freight railway turned wildly successful urban park.