Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

The world’s largest Masonic temple was saved by the White Stripes.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A maritime museum holding the remains of Blackbeard's pirate ship.

A church of bones, decorated with 40,000 human skeletons.

An enormous and lavish Gothic church in Czechia.

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

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

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

This Transylvanian church has changed its denomination four times.

Visit an imposing 13th-century Transylvanian citadel lurking not far from the region's more heavily touristed attractions.

Something's watching you.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This snug medieval lane is one of the narrowest streets in the world.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

World's largest Christmas store.

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.