A clear blue swimming hole with hidden caves, still unexplored.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

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

Built in 1927, this pink stucco hotel once hosted stars of Hollywood’s silent movie era. Now it's being brought back to life.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

A surviving concrete arrow from a 1920s navigational network is preserved right off a modern freeway.

Its founder calls it a "proletariat art renaissance".

Bits and pieces from the ill-fated Donner Party's winter cabins.

This former New Jersey bus now exists as a public art exhibit.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

An increasingly eccentric apartment building, topped with winged beasties.

60 feet of towering steel balances gracefully.

The mouldering manses of wealthy colonials still pock the streets of a Curaçao neighborhood.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

The smallest country in the world.

An imposing statue of the first prime minister of Antigua and Barbuda stands in the middle of a traffic intersection.

This mother-daughter run curiosities shop is a beautifully odd mix of taxidermy and exotic plants.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

This unconventional used book store was once in the news for the surprising act of burning books.

This Kansas City studio was home to Walt Disney's first animation business.

An adorably sweet display of sculpted Precious Moments figurines.

A mysterious light of unknown origin on the backroads of Missouri.