An abandoned town is hidden in Great Smoky Mountains National Park.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This World's Fair showpiece was built in Chicago, but shipped to Maine.

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

A historic Montreal market that was the city's agricultural hub for over century.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Montreal's colorful subway station shows its support of the local LGBT+ community.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

A masterpiece of modern architecture that caused quite a stir in Paris, recreated in Bologna half a century later.

This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

A local prank turned town icon.

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

In 1952, this restaurant began selling the Colonel's “secret” recipe.

Largest collection of mounted dinosaur specimens in the world.

The extensive collection of an amateur naturalist.

Pyramid home to an obscure religious group that practices modern mummification.

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

A monument to a survivor of harsh pioneer life, frostbite, and primitive surgery.

One of the most unusual geological features, recognizable from a dozen hit movies.

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