A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Who is this marble man, perpetually creeping up the steps of his own mausoleum?

This cavernous abandoned marble mine is popular with ice skaters in the winter.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

An ancient glacial pothole waterfall in the heart of the Green Mountains.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

The oldest surviving wood-frame building in North America is still in the family.

This castle constructed in 1928 was crafted from drawings of Lismore Castle in Ireland.

This mysterious artificial cave has long puzzled New Englanders.

Located in a beautifully restored ice house, this museum is the result of decades of hard work and devotion to the craft of plumbing.

A 12,000-year-old bog boasting rare plants and fauna.

A view-altering observatory at the University of Texas.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

This eclectic Austin curiosity shop is home to all things strange and unusual.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Continuing the tradition of the dime museum in style.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

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

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A collection of huge Pre-Colombian structures in Alabama.

A small chapel celebrating the spiritual bond between dogs and humans.

The oldest living cultivated fruit tree in North America.

An 80-year-old house built out of newspapers.

The Sun King's military models, saved from the Louvre.