The 1.7-acre landmark overlooking the San Diego Bay was built for fast-food mogul Robert O. Petersen and just hit the market ...

The mansion boasts a 40,000-square-foot home, an underground tunnel connecting to an unfinished 20,000-square-foot pool barn, and an underground raceway.

It's a 40,000-square-foot home with an underground tunnel connecting it to the unfinished 20,000-square-foot pool barn, ...

In this full video, we reveal the entire process of building the most awesome secret underground mansion, complete with a ...

From vibrant Old San Juan to lush El Yunque National Forest, here are all the must-sees and -dos on a quick trip to the ...

Before his arrest on sex trafficking charges, Sean ‘Diddy’ Combs lived a lavish life in Los Angeles just a few doors down ...

A for-sale waterfront mansion in St. Clair County plays heavily toward nautical enthusiasts.

This week in travel news: makeup videos at 30,000 feet, the “little Marrakech” none of your friends have been to, and a ...