Ancient catacombs form the foundation for this Rococo orgy of a church.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A bypass decorated with large wooden troll carvings.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This cave holds a surprisingly colorful variety of geological oddities.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A beer pipeline runs beneath Bruges.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A unique outdoor timepiece at a "clothing-optional" resort.

Mile-long cave system near Great Smoky Mountains.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Cemetery featuring rare glass-fronted columbarium.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

Rare recess caves fill this unbelievably beautiful Ohio park.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

This tiny shop has been serving traditional tamales for more than 200 years.

In the heart of Medellín, an artsy urban complex sets the stage for demonstrations and protests.