The only freestanding table rock formation east of the Mississippi.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

The oldest brick house in the state of Ohio.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

A small wall and marker are all that remain of this historic canal tunnel.

A building so large that it has its own weather.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

A statue honoring 44 continuous years of greeting passing ships.

An island graveyard with spectacular views of the Caribbean.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A second generation sun-powered marvel lights up the night.

This glamorous old building is said to have inspired the Tower of Terror.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

The blinking light atop the iconic landmark has been sending secret messages for decades.

There aren't too many operational funiculars around, but Pittsburgh has two!

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

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

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.