The world-record holder for the longest bridge stretching continuously over water.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

A Rodeo for Prisoners.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

Official museum, hall of fame, and repository of the Texas Rangers.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

2300-year-old Roman road connecting the empire.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A Nessie-like monster supposedly lurks in this lake.

The record holder for the world’s largest peach.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

This old residential building was once the largest flour mill in the world.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

1887 era Russian Orthodox church in Minneapolis.

This iconic water tower and failed bandstand is open for panoramic views once a year.

The only arched bridge made of stone on the entire Mississippi River.

20,000 pieces in a Frank Gehry-designed building.