The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

Time travel with sweets across history at this research-based candy store.

A historic arena where the Beatles played their first concert in the U.S.

The world's longest tunnel with an undersea section.

Oddly touching memorial to a little-remembered nuclear tragedy.

Rows of stone statues are dressed up to mourn children that are lost before birth.

The decommissioned steam engine’s whistle can still be heard three times a day at one of Japan’s oldest train stations.

A touching statue dedicated to Japan's first therapy dog.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The world's only surviving heavy cruiser has a haunting history.

One of Canada's tiniest museums tackles the world's largest turtle.

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The most confusing clock in New York.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.