This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Pittsburgh's literal underground railroad.

A beautiful oddities shop crammed with strange and morbid curiosities.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

A late-night restaurant empire was launched from this humble storefront.

This small piece of Michigan is entirely surrounded by Ohio.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

Deep into the lower floors of Pike Place, find a date with fowl fate.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Italian director Pier Paolo Pasolini fell in love with this lonely 13th-century tower while making his most famous film.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

A 16th-century horror show built in a lovely Italian garden.

Visit the secret grave of a legendary privateer who faked his own death.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

Come for the waffles, stay for more waffles.

Storage warehouse of the rich and famous.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.