This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

"There's nothing there," and other lies the KGB told us.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

The world's only museum devoted to the wonders of fluorescence.

A former plague hospital turned medical museum.

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

A modern day curiosity cabinet.

Continuing the tradition of the dime museum in style.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

The world's northernmost ice hotel.

The world's first ice hotel is still one of the most elaborate and beautiful.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

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

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

These Honduran caves earned their magical nickname thanks to reflective bone deposits.

A full-size replica of this well-preserved temple lets you take a walk through the Mayan age.

These colorful sawdust illustrations are trampled into non-existence only moments after they are finished.

Fish raining from the sky are the cause of a yearly celebration in this small Honduran town.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

This picturesque Umbrian city has a subterranean side that has long remained hidden.