The site of Paul Revere's historic two lantern warning.

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

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Dinosaurs invade a suburban Nashville neighborhood.

This fairytale-inspired cottage was created by a university literature professor.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Florida castle built with aluminum printing plates.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

The abandoned coal loading dock is a canvas for unsanctioned art.

This downtown Dallas art installation is always on the lookout.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

This super steep hike ascends 2,000 feet in less than a mile.

This picturesque ghost town is located on the banks of the Suwannee River.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Healing Springs that once ran red with soldiers' blood.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Home to drunken tower-climbing goats... seriously.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.