Nature's biggest mammal swims in landlocked Oklahoma.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

A notorious Route 66 eatery once frequented by Al Capone.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The tallest hotel in Europe.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Former headquarters of the KGB.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.

The conquistador's former fortress is the oldest preserved colonial building in the Americas.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

This taxidermy horse was a Civil War hero.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Largest Roman Catholic church in North America.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.