A rococo room covered entirely in porcelain originally constructed for another royal residence.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

A boutique perfumery fashioned to look like a Victorian-era shop.

The television series' iconic giant foot was borrowed from this classical painting.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

Touching displays of wishes for peace from the Cold War era.

A walk through the historic city center, under the streets of Seattle.

The world's tallest circular building is loaded with symbolism, but many just see a big donut.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Decades before the scandal, this staircase on the river was a literal "water gate."

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

The house where John Wilkes Booth conspired with his co-conspirators.

A collection of wax anatomy by the great sculptor Clemente Susini.

Thousands of well-dressed mummies below a monastery.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A perfectly preserved hill village where the buildings are painted like white lace.