Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

Three rooms of bones, curios, and one artist's collection of natural artifacts create this intriguing museum.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

This charming, medieval walled village is Spain's first "book town."

Legend has it fairies gathered at the site of this medieval castle.

A remarkably well preserved tower dating all the way back to the Iron Age.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The ruins of a medieval monastery built on a perilous slope.

The coffin-shaped church was once home to monks who slept in coffins.

A unique collection of Science Fiction, Fantasy, and everything in-between.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

A forest of immensely tall and unusually straight oak trees planted nearly 200 years ago to build naval ships that never came to be.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

An acoustic anomaly with a mysterious cause.

A 66-million-year-old rock formation stands tall over Mumbai, offering stellar city views.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Every color in the rainbow awaits.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.