A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A multi-storied adobe complex has been inhabited for more than a thousand years.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The fifth-longest natural arch in the world, and the longest outside China.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

An art deco ice cream shop covered in vintage train station tiles.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

Legend has it that this large rock maze in Sweden was created as punishment by the daughter of a wealthy captain.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

A catapult rock from Gotland’s 13th-century civil war is still lodged in Scandinavia's best-preserved medieval city wall.

Known locally as the Jungfrutornet, this Medieval tower hides a dark legend.

Buried beneath an unassuming Gotland farm was the largest collection of Viking silver, mostly of Islamic origin.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

The oldest continuously occupied public building in the United States.

A hotel with a rich Wild West history of miners and bootleggers.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

This spectacular track has run continuously since 1882.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.