Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

Colorful Native American paintings are hidden within this small cavern.

The oldest pictographs on this decorated rock formation in California's Carrizo Plain date back as many as 4,000 years.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A deserted hodgepodge of experimental structures designed by nearby university students.

A hotel and restaurant serving as the mecca of kitsch.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

This honeycomb-textured tafone looks like a petrified troll head.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

A subterranean house of worship carved right out of the bedrock.

A small island dotted with old, historic Finnish buildings.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Drink wine handed out through a window as part of an age-old tradition.

This museum is rotten with a century of wax medical deformities.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The largest and most famous wax anatomical collection anywhere in the world.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The oldest operating pharmacy in the world features 800-year-old recipes.

The middle finger of modernity.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A collection of objects supposedly singed by the hands of souls in purgatory.