Relics of the 1894 Midwinter Exposition continue to delight visitors today.

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

This giant shopping mall still holds signs of its automotive past.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The Boston square dedicated to the dark poet who was born nearby.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

A statue honoring 44 continuous years of greeting passing ships.

Probably the smallest museum in the world, housed in a disused phone booth.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

The study has wall paneling from a 17th century ship.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

A towering Art Deco movie palace made to look like a Mayan temple.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.