The oldest soda fountain in St. Louis has been serving up treats for more than a century.

Order savory Levantine baked goods with innovative twists at this takeout-only spot.

One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

A daily replay of the experiment that proved the rotation of the Earth.

Venture into the past with an unlisted exhibit hall featuring extinct birds.

Princess Kristina played a pivotal role in fostering diplomatic ties between two kingdoms, Norway and Spain.

The aggressively banal name of this underground fortress of bureaucracy does little to evoke its truly surreal existence.

This eclectic natural history collection holds everything from a bit of the trans-atlantic cable to Hemingway's marlin.

Trinkets and toys lovingly handmade by maximum security prisoners.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

A decidedly out of place statue memorializes the Blues Brothers characters at this water bottling plant.

A charming museum of natural history featuring dioramas and exhibits made entirely by college students.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

This sculpture is a cross between an observatory and an earth mound to honor the community's rich history.

This oddity shop contains everything from antique tools to a human skeleton.

An artist-run shop filled with art inspired by and made from nature.

An oddity shop filled with loads of bones, skulls, crafting materials, vintage taxidermy, and more.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

Plaque remembering the 18th century forced relocation of Acadians.

A larger-than-life dedication to the famous lumberjack and his loyal ox.