A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

This naval gun is fired every day at noon, an odd timekeeping tradition the origin of which is local legend.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Jurassic Park—A Still Life.

A miraculous natural phenomenon known as "the spring that breathes."

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

The museum chronicling a treasure hunter's dream, fulfilled.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

Bat house that has only ever housed bat for one night; they all flew away and never came back.

A display of magnificent stained glass windows is the first exhibit of its kind.

On the shores of Lake Kalamazoo, a plaque marks a fictional event where an island nation ran aground.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A gas station has taken the place of the home of the 19th American President.

This moving cemetery sphere is a slowly rolling stone.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.