A natural formation that resembles a camel resting in the New Mexico desert.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Shop of curiosities with a dinosaur museum tucked in its basement.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

These abandoned grain silos and tunnels are an urban exploration dream.

A lush green oasis in the middle of Chicago.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

Landmark Chicago building narrowly avoided destruction.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Where dioramas can follow you home.

Seller of surplus nuclear research materials.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

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

A slice of central Asia in the middle of Berlin.

A shrine honoring a legendary ghost bride lies within this vibrant temple.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

A hugely vast Irish landscape of barren rock that stretches for miles.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.