A historic Civil War estate-turned-museum looks back on the Confederate States of America.

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

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

This 25-foot-tall statue was built as a protest to a property dispute.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The bears of Bern have been a city highlight for over 500 years.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

A historic observatory precariously perched at the "Top of Europe."

The second-highest train station in Europe.

The world's longest and deepest train tunnel.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

One of Canada's tiniest museums tackles the world's largest turtle.