A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

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

This is not your typical jungle gym.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

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

Bell tower juts out from a village buried under a lake.

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

The last bastion of Roman presence north of the Alps looms over a German town.

World's largest barrel containing an inn.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Tiny castle in the middle of the Rhine made you pay to pass.

Legendary site where an evil bishop was devoured by rodents.

This 600-year-old home seems to defy physics.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Less a museum than a bizarre fantasy world created by artists and engineers.

A museum dedicated to the history and exploration of both popular music and science fiction.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.