This Mediterranean castle was built for a millionaire and his giant dog.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The rogue roots are gradually consuming some of the historic marble grave markers.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

This poor little statue is the most vandalized memorial in Washington.

A historic cemetery with unique artwork, a Civil War fort, and also happens to be the site of the Battle of Bladensburg.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

These five Art Deco homes were meant to solve the "small house problem."

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

A bizarre house filled with an astounding array of collections.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

A bypass decorated with large wooden troll carvings.

This abandoned, partly demolished building is now home to beautiful graffiti and murals.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The world's largest collection of the world's largest objects is in one small Illinois town.

A collection of witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Exact replica of the ancient monument, but much, much lighter.