The remains of a massive blast furnace in what was once one of the country's largest iron-producing regions.

Home inspired by the crystal rock formation of the Emerald Estates.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

An old church full of restored Catholic statues is a makeup artist's labor of love.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

An office built to look like a giant basket.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

Superfans of The Shawshank Redemption can take a driving tour of most of the films real locations.

The final resting place of the most famous sharpshooter.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

Faces carved into the cliffs create an otherworldly walking trail.

The U.S. Air Force has an anti-satellite laser weapon.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

Home of the International Space Hall of Fame.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

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

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

An abandoned relic of the city's failed experiment with below ground transit.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.