Once known as the Illinois Asylum for the Incurable Insane.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

An eerie smiling woman looms above the granite tombstones.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

Back in the day everyone who was anyone played this historic western theater.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Less a museum than a bizarre fantasy world created by artists and engineers.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

An oddities shop that dabbles in the deathly and beautiful.

The site of a gold-digging conquistador's bloody landing in the Americas.