A secret meeting in this small cottage changed the course of British history.

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

Nuclear waste experts study this prehistoric crater lake to envision landscapes one million years in the future.

A display of hand-built replicas of the legendary vessels used by Patagonian and Antarctic explorers.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

A building facade covered with the statues of 11 giants of Tajik literature.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

At this unusual park, domes, ladders, chairs, and more are made from trees.

An ingenious solution to a tricky engineering problem, this spiraling bridge takes drivers for a dizzying spin.

A remote island holds what claims to be Scotland's smallest cinema.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

An underwater statue of Christ blesses the depths off Key Largo.

At this museum in Iceland, visitors can sample fermented Greenland shark.

The morbid items in this small and hidden museum are not for the weak stomached.