Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

Every drop of D.C. tap water flows through this old waterworks.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

A diminutive memorial marks the site of a successful assassination by a right-wing death squad in America's capital.

An abandoned theme park with a strange and tumultuous past.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

A local scoured more than 1,000 acres for stone to create his masterpiece.

One of the few surviving "Wigwam"-themed motels.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

Kentucky's longest operating jail is now a spooky spot to spend the night.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

Explore the legends surrounding these mythical sea creatures inside this museum.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

One of the largest collections of Catalan literature and cultural materials outside of Spain, created by a community of 1960s expats.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

An unusual sculpture, an interesting history, in a strange place, for a good cause.