This underground oasis is one of North America’s most fascinating prehistoric places—and you can scuba dive in it.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

A creative deviation in this post office's design was once a source of controversy.

History is hiding at the Morean Center for Clay.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

The snowbirds here are circus sideshow performers.

It's a pretty creepy lock-up.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

The only Florida state park with publicly accessible caves.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A circus legend leaves an unexpected endowment.

A massive art collective tries a new take on Brooklyn's DIY music scene—by making it fully legal.

One of only two remaining Victorian-era greenhouses in New York.

A luxuriant botanical garden below sea level.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

This shop for all your super spy needs hides an educational secret.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The world's largest wooden structure.