The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The national park was once a plantation estate.

The oldest continuously operating fish market in the United States.

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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

Home to items never before seen by the public.

A reconstructed World War I-era communications array that was once hidden in plain sight.

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

A massive, gleaming sea turtle with a rider atop its shell looks out over the horizon.

A museum celebrating the Canadian forces that liberated Belgium from the Nazis replete with battlefield miniatures and multiple Gardens.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

Most prolific publishing house in the 1600s open to the public.

An open-air sewer system that was covered piece-by-piece over 300 years.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

Lavish royal estate punctuated with heated greenhouses.

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

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

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

This iconic Lancaster everyman has been reading the same story since 1980.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.