A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

Thousands of mounted insects, and some live ones, hide within an otherwise ordinary shopping mall.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

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

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

A quirky and charming restaurant founded by artists.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Frida Kahlo's childhood home, now a museum of her life and works.

The world's most famous cheese caves.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Explore 10 acres of environmental sculptures.

Abandoned hotel with adjacent lake and golf course.

Cambria's most unique B&B features creative surroundings and fantastic food.

A historic hotel in an old California railroad town with a rowdy reputation.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

Hundreds of hidden passageways weave through the old quarters of Lyon.