A monument to a 19th-century Irish woman whose murder inspired several literary works.

Resting place of Hollywood's immortals is also site of summer film screenings.

It took 275 years and four burials to finally put the Mayflower’s most famous passenger to rest.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

The bizarre story of the mysterious death and hidden treasure of one of Sanibel Island's early homesteaders.

An underwater statue of Christ blesses the depths off Key Largo.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

A medieval cave used to shelter local hermits now holds nearly 200 old Quaker gravestones.

A sprawling ancient Jewish cemetery with over 30 rock-hewn burial caves.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The construction of a tram line unveiled hidden remnants of the old medieval city.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

An ancient underground cultic temple where sunlight penetrates on the summer solstice.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

These 18th century gardens tell a rocky story of the son of Odysseus.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.