A trading post in the North Pole where children send letters.

Strange physical sensations and optical contradictions keep visitors coming back for more.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

A museum marks and documents the site of the Titanic's launch.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Continuing the tradition of the dime museum in style.

Commonly referred to as the most photographed Victorian home in the United States.

The world's brightest bioluminescent bay.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The Uros people live on floating reed islands in lake Titicaca.

A haunted hill that supposedly defied gravity.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

The king of U.S. high points towers over every other peak on the continent.

This legendary city has been a tourist attraction for centuries.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This blowhole is supposedly caused by a trapped monster.

A fantastic castle rumored to be the birthplace of King Arthur.