One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The corpse bride of Portugal.

The world's largest wooden structure.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

When a conglomerate of visionary startups commandeer a disused Greek Orthodox Church, zaniness ensues.

It houses the remains of a 17th-century version of the Titanic.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

Walk in the footsteps of the famed astronaut at Purdue University.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

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

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.