A popular oddity on display in a stately building, offering a symbolic commentary.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

This clifftop arch is a natural stunner.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

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

This memorial is dedicated to the legendary suffragette, who stepped in front of the king's horse during the Epsom Derby.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

A tunnel with windows, so you don't miss out on the impressive views.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

The oldest continuously occupied public building in the United States.

This old school, eccentric, and independent video rental store refuses to die.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

This marvelous work of outsider architecture is built into the cliffs of an Israeli beach.

This museum explores the lives of Chang and Eng, the "Original Siamese Twins."