A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

One street divides a single town that stands in two U.S. states.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

The narrowest house in America is seven feet of pure spite.

One of the last active volcanoes on the Eastern seaboard.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

The oddly shaped, steam-spewing building is now an art studio and gallery.

The resting place of a Civil War celebrity's amputated limb.

This old-fashioned carhop restaurant gave the world the waffle cone.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

America's first public mental health facility.

This historic mansion was built as a symbol of love between a husband and wife.

An original apothecary from 1792.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A small Richmond island dotted with the remnants of hundreds of years of history.

An alternate history park where the Union Army loses the war... to dinosaurs.

The skeletal white beams stand as a monument to religious dissent.

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