Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

The ornate miniature mansions were built for Istanbul's feathered residents.

A surprising and unconventional mosque hidden in the subsoil of Istanbul.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

This oddly shaped building is a surprising Soviet-era crematorium.

A miniature model of the iconic Stockholm department store.

North Korea's massive art and propaganda factory now has an official gallery space in Beijing.

This probably wasn't what Mao had in mind.

An ancient Chinese temple where even the emperor dressed like a farmer in the name of the harvest.

A studio devoted to keeping hundreds of unique Chinese arts alive.

This historic Chinese tower was said to have been haunted by fox spirits but is now haunted by a grisly murder.

This ancient Chinese observatory still contains early astronomy technology.

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This sublime architectural marvel is a rare example of an expressionist church.

A golden egg-shaped sauna in the Arctic tundra.

A collection of noses tucked inside an art museum reveals how times have changed.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

The only surviving piece of Copenhagen's 16th-century defensive wall.