This Chinese-style quartz sundial was saved in its final hour.

This lab's maddening silence is good for business but bad for sanity.

No one's quite sure where this quirky university tradition originated.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

One of Frank Lloyd Wright's final works was this UFO church.

Robots, lasers, and whoopee cushions, oh my!

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

More than five miles of underground passageways.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

This mosaic-covered bar is brimming with curated curios.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

This Mississippi seminary was the first in America to train Black Catholic priests.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

A beautiful and classically designed villa, with an hourly infestation of monsters.

Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

Since 1920, one small company has defined the distinctive chairs of Paris' sidewalk bistros.

The fungus-shaped vintage gas station has served multiple purposes over its lifetime, and now serves ice cream.

The only Frank Lloyd Wright-designed structure in the architect's hometown.