Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This bridge is haunted by the ghost of a distraught mother.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A sculptor's dream castle turned fantastical ruin.

This woodland architectural installation acts as a camera obscura for the heavens.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

These eerie outliers of the lightning bug family glow a mysterious blue color.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.