An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

The site of the climactic scene from the classic horror film is now a historic landmark.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

This hollow steel globe is the second-largest in the world.

The simple auditorium that launched a pop icon's career into the stratosphere.

Don't bother sending any mail to this ghost town.

Sit at the "Disney table,” where Walt and his team of "imagineers" once dined on the regular.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

This magnificent mausoleum is as much a work of art as it is a historic resting place.

Perched high atop telephone poles is an uncanny outdoor art gallery that greets passersby on their commute.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

A gift from Abbot Kinney and a little bit of piece of Black history in Venice Beach.

Where a great scandal unfolded with a famous female revivalist at its center.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.