A serene temple with stunning stained glass hides in downtown Dallas.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

This former coal gasification plant found a curious second life as a popular public park.

This theatre was made famous after Lee Harvey Oswald was captured inside watching a film.

The final resting place of infamous outlaw Clyde and Marvin Barrow.

The final resting place of an outlaw, whose legend grew after death.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

Its interior is adorned with some of the best examples of early Christian mosaics.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Baroque celebration of the end of the Great Plague of Vienna.

Op-art architecture designed for happiness.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

A high-octane shrine to the greatest Texans who ever lived.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

An effigy of Vancouver's Gastown neighorhood's namesake.

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.