Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

A luxuriant botanical garden below sea level.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Turning night into day in Victorian-era Austin to thwart a serial killer.

The site of Paul Revere's historic two lantern warning.

A unique geological area spiked with wind-carved rocks that resemble teepees.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

It specializes in outsider art and artifacts of secret societies.

Unrepaired walls from a 1920 anarchist bomb attack.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

This freshwater spring fills with 10,000 gallons of water per minute.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A humid oasis combines recreation with exploration in a unique underwater cavern.

A giant donut stands as a popular symbol of Los Angeles iconography.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

Avoid gangster interaction while window-shopping.