The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This general store has stood in the same spot for well over a century.

This statue honors the author's groundbreaking family story.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The land is home to swimming ponies and a legendary 18th-century treasure.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe’s grave.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

A massive sustainable farm designed by the mastermind behind Central Park.

The whimsical construction on the roof has given rise to many a Montgomery myth about its contents.

Cadillac where country's first big star was found dead.

Ride the subways of yesteryear.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.