I visited Sagamore Hill, the country estate of President Theodore Roosevelt, dubbed the 'Summer White House.' Take a look.

Tech Insider : Travel, Business, Economy
sagamore hill house
Sagamore Hill on Long Island, New York.

Gabbi Shaw/Business Insider

Gilded Age townhouse sells for $34.5 million in NYC, ending 2 sisters' heated bankruptcy battle

Tech Insider : Business
The library of House of Cassini features 17-foot ceilings bedecked by plaster sculptures of owls, urns, and cherubs.
The library of House of Cassini features 17-foot ceilings bedecked by plaster sculptures of owls, urns, and cherubs.

Evan Joseph

Two evicted sisters try to derail $34.5 million sale of Gilded Age home

Tech Insider : Business, Economy, Style
A composite photo shows a $34.5 million Gilded Age mansion and Marianne Nestor, who with her sister are fighting to reclaim it.
Judges have been trying to sell this $34.5 million Gilded Age mansion for six years. Designer Oleg Cassini's widow, right, and her sister, both in their 80s, keep fighting to reclaim it.

Evan Joseph, left/Getty Images, right

Look inside Vizcaya, Miami's 45,000-square-foot Gilded Age mansion that now counts Ken Griffin as a neighbor

Tech Insider : Travel, Travel, Business
aerial view of the Vizcaya Museum and Gardens in Miami, Florida
James Deering's 1916 winter home is located less than 10 minutes away from the heart of Miami.

Robin Hill/Courtesy of Vizcaya Museums and Gardens

See the 50,000-square-foot Gilded Age mansion at the center of a billion-dollar bankruptcy

Tech Insider : Business, Sports, Style
This photo shows the brick and carved-limestone front exterior and the grounds of the 1907 Crocker-McMillin mansion in Mahwah, New Jersey.
The 1907 Crocker-McMillin mansion -- modeled after a Jacobean-Age English estate -- in all its slate-shingled and carved-limestone glory.

Evan Joseph/Business Insider

How 28 Americans amassed the greatest fortunes in US history, from railroads to tech

Tech Insider : Economy, Business
Split image of John D. Rockefeller and Elon Musk
Standard Oil founder John D. Rockefeller has long been considered the wealthiest man in America's history, but Elon Musk is now wealthier.

General Photographic Agency/Getty Images / ALLISON ROBBERT/AFP via Getty Images

25 photos show what life looked like for Americans 150 years ago

Tech Insider : Economy, Travel, Business
Men sitting in Central Park in the mid-1870s.
The US in the mid-1870s was experiencing a great transformation as emerging industries ushered in the Gilded Age.

Archive Photos/Getty Images

8 abandoned mansions around the world that were once worth millions

Tech Insider : Business, Style, Travel
Bannerman Castle in New York
The Bannerman Castle in New York is one of the abandoned mansions and castles now open to the public.

Cavan-Images/Shutterstock

America's largest home is a Gilded Age mansion that goes all out for Christmas. Take a look at Biltmore Estate's holiday decorations.

Tech Insider : Business, Style
Outside the Biltmore Estate.
Biltmore Estate's Christmas decorations 2025.

The Biltmore Company

THEN AND NOW: Photos show where America's wealthiest lived a century ago versus today

Tech Insider : Business
Jeff Bezos' house in Indian Creek, Florida.
Jeff Bezos moved to Florida from Seattle in 2023.

Felix Mizioznikov/Shutterstock

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