An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.

A picturesque example of brute-force engineering conquering nature.

Hidden inside a gift shop that doubles as a museum, this gargantuan yo-yo can only be operated by crane.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

A trek through the solar system here on earth.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

This general store is stocked with memorabilia from the 1930s onward—almost none of it for sale.

A tribute to a hometown hero and surfing legend.

More than five miles of underground passageways.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Sip mead from an East Nashville apiary while snacking on barbacoa tacos.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

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

Though illegal, city officials have made an exception for this work of art.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.

Swim or sail to this pie-slinging boat off the coast of St. Thomas.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

A rare underwater observatory in the Caribbean that provides breathtaking views of vibrantly colored aquatic life.