The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

The largest collection of historic military firearms in the United States.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

This charming woodland trail is peppered with poetry.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

Where else would you expect to find the gravesite of European royalty than the windswept dunes of rural Northern Michigan?

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Ancient human, animal, and geometric figures drawn in the earth.

The stone-covered graves lie within the ruins of an Old West ghost town.

A scrap-metal sculpture recalls an infamous 19th-century camel.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

This memorial to local World War II heroes is slowly being reclaimed by nature.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

Dating back to the 1800s, two imposing buildings in Michigan have had countless transformations over the years.

A university observatory dome painted to resemble the beloved 'Star Wars' droid.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

Masterful ceramic fountain and map of the Pacific Basin.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

At just 51 feet and 10 inches long, it's the shortest street in England.