This tree was warped centuries ago to serve as a botanical wayfaring tool.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

The writing studio of an American adventure author, built in the style of a medieval castle.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

This skewed English house has looked like it's going to fall over for centuries.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

These stairs were built to accommodate royals mounted on elephants.

An astounding collection of medical specimens, including bits of President Lincoln.

2300-year-old Roman road connecting the empire.