This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

The first "Hut" was actually a small brick building.

A unique botanical garden housed in three giant geodesic domes.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Macabre astrological automaton clock dating to the late 1400s.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The second oldest continuously operating bar in Louisiana.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

Less a museum than a bizarre fantasy world created by artists and engineers.

A celebration of the animation wizard's childhood home and antique railroad memorabilia collection.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

This tiny, tranquil Senegalese island serves as a powerful symbol of the Atlantic slave trade.

A tree seems to grow from the ocean floor on this strange strip of sand slowly being overtaken by the sea.

A 19th-century architectural masterpiece with ties to Gustave Eiffel.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A bizarre house filled with an astounding array of collections.

This cave holds a surprisingly colorful variety of geological oddities.