One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Fascinating town where normal life interfaces with the occult.

Used as an example in one of the first dictionary entries for "museum" in 1706.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

It houses the remains of a 17th-century version of the Titanic.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A museum dedicated to exhibiting remarkable outsider art.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The most visited, and possibly most controversial, museum in Germany.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

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

The fairy tale castle of the "fairy-tale king."

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Famously misunderstood wonder of the ancient world