This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

In this cemetery stands the country's first public crematorium.

Take a walk through the history of strength sports—from the early Olympic Games to modern day.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

The Home and murder site of the witch of Rehmeyers Hollow.

Political activist and writer Thomas Paine once lodged at this location.

A collection of unique objects showcasing the university’s achievements in the medical field.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

This early version of the guillotine was used to execute the man responsible for its construction.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

A six-ton wedding present for the King of the Scots.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

The summer tourists on these cliffs are thousands of seabirds.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Washington's iconic carousel has a nice piece of Civil Rights history.