This sculpture honors the man who was known as the "Righteous Among the Nations."

This fancifully decorated Victorian home in New York’s Hudson Valley is the only known fully domed octagonal residence in the United States.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

This bomb shelter-themed bar has barely changed since it opened.

Get your cosplay on at Portland’s only Medieval fantasy-themed mead hall.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

A waterway covered over after the Industrial Revolution has been unearthed and cleaned up, for the enjoyment of fish and humans alike.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

One kilometer of thick brass rod laid out before your eyes.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

Final resting place of one of the classic authors of horror literature.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

The last SR-71 ever constructed.

This exoskeleton was gifted to Rutgers University by Japan for its role in educating some of the first Japanese citizens to study outside the country.

A tiny monument to the classic American candy.

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.

India’s only Brain Museum displays over 200 fascinating ways that your brain might kill you.

Rumors of the occult haunt this upscale 1920s hotel.

Destructive children, start your engines.

A historic custom house with ties to George Washington is now a shrine to local nautical history.