The oldest church in Mantua was buried for centuries under the facades of other structures.

A medieval tower with a suspended iron cage used as an open-air jail for criminals who were exposed as a warning.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

A hidden bas-relief of a hare on a church main portal that brings good luck to the ones who find it.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

The oldest surviving botanic garden in the United States.

This estate on the banks of the James River was home to a Founding Father, two presidents, a famous bugle melody, and what some say was the actual first Thanksgiving.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An alternate history park where the Union Army loses the war... to dinosaurs.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Ruins of a 10th century church tucked away deep in a botanical garden.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Geometry and mystery come together in an epic show of octagonal masonry.

Exact replica of the ancient monument, but much, much lighter.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.