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

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

The building that inspired Shirley Jackson's "The Haunting of Hill House."

The Vermont grave of a 4,000-year-old mummy prince.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A small chapel celebrating the spiritual bond between dogs and humans.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A registered historic landmark shrouded in unsettling local legends.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

This one-woman cemetery was a small civil rights victory.

This underwater old Texas hill town only resurfaces during harsh drought.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

These early tent-shaped grave coverings are unique to Appalachia.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.