A tribute to a great Texas blues musician.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

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

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

Austin’s local mountain isn’t really a mountain at all.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Now home to a drinking establishment, this building has a macabre history.

A sweet symbol marks the place where torturous executions were once carried out.

The heads of two giant mythological water horses honor Scotland's horselord past.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This early version of the guillotine was used to execute the man responsible for its construction.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Also known as the Osaka Garden, this garden was originally built in 1893 as part of the World's Columbian Exposition.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

The first home and studio that belonged to the famous architect.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.