Narrowest house in Boston.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Radical Bookstore and Community Space.

An enormous, inside-out glass globe built in 1935.

A beautiful Victorian-era cemetery, complete with a miniature village.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

The world's tallest statue of an American hero.

The world's smallest drawbridge.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

Famously misunderstood wonder of the ancient world

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

See massive fossils that are over 200 million years old in northeastern Arizona.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The largest known Ancient Egyptian obelisk.