This former maximum-security prison is creepy, sobering, and supposedly haunted.

This quirky local sculpture is quite literally a fish out of water.

Victorian-era Egyptomania left its mark on this Nashville landmark.

The world's largest collection of porcelain "veilleuses-theiere," or night light teapots, includes four that belonged to Napoleon.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Walk the whole Mississippi River!

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

Home to drunken tower-climbing goats... seriously.

Mile-long cave system near Great Smoky Mountains.

More than five miles of underground passageways.

Visit this playground of waterfalls, caves and sinkholes.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

This former lieutenant governor's home is brimming with curiosities.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

An urban laboratory.

A technicolor place of worship for Elevationists.

The wreckage of a crash that killed nine people still litters the Franklin Mountains.

A cave's rare beauty held a cavernous secret hidden underground.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A spiritual vortex among the red rocks in Sedona.

A little-known hot spring haven right below the highway.

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