One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

The French leader's hat sits in a glass case at the oldest restaurant in Paris.

A monument to placate the spirits of an ancient forest.

A free park where visitors can learn about and collect 440 million-year-old fossils.

Inside a former smuggler's cave, an artificial waterfall and light show.

A complex of ancient Buddhist rock-cut caves with a large, well preserved prayer hall.

A Gothic gym and community space that encourages fitness for misfits.

Haunted dolls, macabre artifacts, and more make up the collection of the “most haunted museum in the world.”

Photographs of the faces of the town's dead cover the walls of this small Italian church.

The resolution to a case that had gone cold for 120 years, found on an old piece of wood.

The ruins of a fifth-century church dedicated to Our Lady of the Harbor.

A mile-long trail of pottery culture, full of clay pipes and lucky cats, including one that’s 12.5 feet tall.

Named for a self-taught botanist who cataloged hundreds of native plants, this garden continues her work of preserving California plant life.

The first Venetian glass exhibit in Japan and one of the largest in the world.

This grandiose staircase was part of the revival of a medieval Spanish architectural style combining Christian and Islamic influences.

In the shadow of the Sydney Opera House, Indigenous ingredients shine.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A mythological Celtic beast built with thousands of colorful tiles stands guard over a historic canal junction.

Inside this Krakow church, an explosion of psychedelic color.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

Starting with nothing more than discarded conch shells, one man has built an island/bar that would make Jimmy Buffet jealous.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

An 18th-century hunting lodge turned haunted Baroque palace.