Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The United States Capitol's former columns still stand.

Like your grandma's attic—if your grandma were a little weirder, extremely well-traveled, and had a great eye for art.

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

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

The wood bears a hidden love note carved by a young Johnny Cash.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

A modern day curiosity cabinet.

This bomb shelter-themed bar has barely changed since it opened.

This collection of neon icons is preserving Arizona's history, one sign at a time.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

This large collection of tiny things revels in the art of fine machinery well made.