This ruined castle perched atop a rocky peak is a great place for a hike.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

A striking bronze sculpture of a Roman goddess with two hound dogs for company.

A whimsical menagerie of creatures carved into a 300-year-old tree trunk.

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

A historic model village was gifted from residents of London to Melbourne as thanks for their help during World War II.

Somewhat controversial when first unveiled, this gathering of sea creatures has become a hidden gem.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

This century-old site established by King Mwezi Gisabo preserves the art of Burundi's ancient drum rituals.

For millennia, explorers were obsessed with discovering the source of the Nile—is this small mountain stream really the answer?

South Korea's women of the sea have completely flipped their society's structure by becoming revered fisherwomen.

"Polynesia on the Plains."

A special area of the National Archaeological Museum of Naples is located inside a metro station.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

A taste of the macabre Tokyo's ritzy shopping district.

A lonely chimpanzee lures you into a narrow alley leading to this hidden shrine.

Peer into this window for an interesting glimpse into the public utilities that make this city run.

This art gallery and oddities boutique bewitches visitors with a trove of occult trinkets and eccentric antiques, work by an ever-changing roster of underground artists, and classes in tarot and other mystic arts.

This decrepit abandoned building is made all the more eerie by its dark history.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

This series of landscape dioramas tell the story of New England forestry in exacting miniature detail.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.