Accessible only by boat, this centuries-old island fort never saw troops or combat.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

There are eight natural springs around town, each with a slightly different taste.

A mailbox that saved a nature reserve.

Visitors come from all over to bring gifts and tokens to the grave of Alice, who is thought to have died of a broken heart.

This replica of the Greek structure is in the heart of Nashville.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

The small cave that housed Tennessee's "first citizen."

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

It's easy to forget what century it is as you wander this rustic homestead.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

A downtown park built on top of unclaimed graves.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A technicolor place of worship for Elevationists.

This ghost town houses the remains of Alabama's old state capital.

The former home of the hard partying literary power couple is now one of the only museums devoted to their story.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

One man's extraordinary topiary garden in a small South Carolina town.