In Egypt's expanding metro area, many of the neighbors are dead.

The world's biggest floating museum in Gothenburg, Sweden.

Swedish skyscraper with a 90° twist.

Hub of Scandinavian culture in a Minneapolis deli.

An optical Illusion once believed to be an electrical phenomenon.

A museum marks and documents the site of the Titanic's launch.

Scattered throughout London are ancient remnants of the city's former bounding wall.

360° views of the city plus five floors of optical illusions and hands-on science.

A cave's rare beauty held a cavernous secret hidden underground.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Famously misunderstood wonder of the ancient world

Norway's oldest cathedral still in use.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

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

The Sun King's military models, saved from the Louvre.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The most loyal of little dogs, or a Victorian era publicity stunt?

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.