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

This Czar-funded, onion-domed, lavishly muraled Orthodox Church played a starring role in "The Deer Hunter."

A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

The statues honor the state transportation employees who've died while performing their work-related duties.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

This 19th-century former train station’s unusual roof shape earned it a rather witchy name.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The curiosities and wonders of pharmacy in a delightful historic building.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This frequently-photographed waterfall takes only a short hike to visit.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The private clubhouse for the members of the Academy of Magical Arts.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An underwater city for the dead.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.