A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

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

Every Easter, a small Sicilian town builds a stunning cathedral out of bread.

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

Ask nicely, and stewards of a centuries-old charitable tradition will give you free bread and beer.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The world's spiciest ice cream comes from Glasgow.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

Sleep amongst an abundance of art from the modern era.

Wonderland replication in progress by one persistent man.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

The final resting place of the "father of special effects."

This demon atop the Notre-Dame de Paris looks utterly bored.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

An unusual number plate signifies the building's saucy past.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.