One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

One of England's most famous churches hides a pair of little known architectural treasures.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

Famously misunderstood wonder of the ancient world

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

The oldest continuously operating fish market in the United States.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

A bizarre house filled with an astounding array of collections.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Town of spiritualists and mediums in Florida.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

Electrical pylon in the shape of Disney's beloved mouse.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

The world's largest private aircraft collection.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

A vast array of tropical plants collected by a vacationing couple.

A circus legend leaves an unexpected endowment.

A luxuriant botanical garden below sea level.

This kitsch eatery is chock-a-block with bric-a-brac.