Built following the War of 1812, this fort has withstood hurricanes for centuries.

The 19th-century ruins hide deep in an overgrown forest.

Once known as the Illinois Asylum for the Incurable Insane.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

It houses the remains of a 17th-century version of the Titanic.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Eighty million natural history specimens call this gargantuan museum home.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A museum marks and documents the site of the Titanic's launch.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A singular collection of hand-built art deco cars are held in a building with style to match.

This sprawling museum holds one man's giant collection of real tanks.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

This 880-acre facility is home to a massive collection of vintage motorcycles and cars, as well as a 2.38-mile race course.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

This museum chronicles the history of a leprosy quarantine hospital that then became a refuge.

The Origin of On the Origin of Species.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

High-end antique collection housed in a centuries-old church.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

The world's largest collection of witchcraft regalia.

Arrr! The most authentic collection of pirate artifacts in the world... matey.