In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

One man’s hobby is another man’s world of metal wonders.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

An 80-year-old house built out of newspapers.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

Spies, love letters, and ghost stories have all left their mark on this home-cum-museum.

Some of the earliest burial grounds of New York State are to be found hidden away in this quaint town.

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.

A former connection to City Island, it has been abandoned since the 1930s.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

A granite monument honors a beloved World War II canine mascot.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

Dinosaurs, magic, and wonder are hidden amid the forests of Allaire State Park.

An autonomous republic of Orthodox monks.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

This 16th-century monastery has been turned into a surrealist architecture compound.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.