An architecturally-focused antique shop.

Robots, lasers, and whoopee cushions, oh my!

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

This striking art museum holds an amazing series of curiosity cabinets.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A bizarre house filled with an astounding array of collections.

When waves crash onto this section of beach, the rocks sing a song.

Most comprehensive museum in America devoted to one ethnic group.

This large midwestern cavern features impressive rock formations and an underground waterfall.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

Elaborate drama imparts an appreciation for 19th century hardships.

These curious caverns have been home to mushrooms, gangsters, and disco.

A museum within a museum, devoted to history's most questionable medical devices.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.

Hub of Scandinavian culture in a Minneapolis deli.

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.

Thousands of majestic trumpeter swans fill this park, sounding distinctly like a certain brass instrument.

This free, take-a-book shop seems like a trick but isn't.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

An original apothecary from 1792.

The narrowest house in America is seven feet of pure spite.

The national park was once a plantation estate.