This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

Paths are maintained, but trees have taken over plots.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

Texas's oldest bakery serves authentic German pastries, including legendary strudel.

A taste of Middle Earth, in the middle of the Bayou City.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

Built around 1845, this house was occupied for 100 years, serving as a home to a prosecuting attorney, a Union Civil War general, and a wealthy socialite.

The only surviving 19th-century water-powered mill found in the Washington, D.C. area.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

This pagoda was once the central feature of a Buddhist temple that no longer exists.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

While you're unlikely to find riches here these days, this remote mine is a time capsule of the Gold Rush era.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

No one messes with the Massachusetts sacred cod, not this time...

A late-night restaurant empire was launched from this humble storefront.