"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This Native American cemetery features decades-old spirit house hidden behind pine trees and moss.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

Home to part of the world’s largest private collection of original manuscripts and documents.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Tirelessly maintained by a Wisconsin man named JFK.

The center of the only hemisphere that awards visitors with a commemorative coin.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

This tiny cabin was home to one of Iceland's most famous painters and was the only land he ever owned.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

Medicinal spa created with the discharge from a geothermal energy plant.

Eternal resting place of the grave robber and murderer who served as inspiration for many of cinema’s famous madmen.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

This cave holds a surprisingly colorful variety of geological oddities.

More than 5,000 contemporary and "historic" mustards from around the world.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

This circus town museum recognizes the outstanding clowns of history.

Rare recess caves fill this unbelievably beautiful Ohio park.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.