An oasis of beauty, tranquility and botanical research in the middle of Rome.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

The mystic whose incorrupt corpse still attracts the faithful.

This is the oldest Roman-made bridge in the city still existing in its original state.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Former bath house turns gastropub.

A historic and oft-filmed prison stands in a Chicago suburb.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

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

Eternal resting place of the grave robber and murderer who served as inspiration for many of cinema’s famous madmen.

A comedy troupe's collection of bizarre humor.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

Chicago’s incendiary role in the labor movement.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A shoreline exhibit describing the disastrous first attempt by the French to colonize North America.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.