Hidden in the plaza next to a pizza shop is an amazing little oddities shop.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

A paradise hotel turned from opulent to overgrown.

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

What was once a summer home next to a waterfall has now become littered with graffiti and children in swimsuits.

Historic seaside park featuring explorable, abandoned military structures.

A permanent outdoor art installation made up of more than 100 mushroom-shaped lights.

A beautiful oddities shop crammed with strange and morbid curiosities.

This combination shop and museum is filled with curious items and artifacts.

An eclectic store sells obscure vinyl recordings of Charles Manson and Jim Jones, along with many other oddities.

An oddity shop filled with taxidermy, funerary memorabilia, and more.

Stock up on all your horror paraphernalia at this year-round Halloween emporium.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Rumors of the occult haunt this upscale 1920s hotel.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Rare recess caves fill this unbelievably beautiful Ohio park.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

This Roman underground canal was the longest tunnel ever built until the late 19th-century.

In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.

A massive cave once a secret military base is now home to thousands of bats.