History buffs and curious locals will soon have a rare opportunity to explore downtown Tulsa from below the surface. The Tulsa Foundation for Architecture (TFA) is once again offering guided tours of ...

In the early 1900s, Waite Phillips became rich by producing oil in Oklahoma and built buildings to match his wealth. But with riches came risk. Phillips lived in the penthouse of the Philcade and ...

"Tulsa Foundation for Architecture Tunnel Tour is one of the most exciting days of the year," said Kuykendall. "We only get to do it twice a year." Kuykendall said the tours are an hour and a half ...

Correction: This story originally contained an incorrect spelling of oil baron Waite Phillips' last name. It has been corrected. At least 900 people descended below downtown Tulsa’s streets Saturday ...

The Tulsa Foundation for Architecture is gearing up for its bi-annual underground tunnel tours on Feb. 8 and Aug. 9. The tunnel tours allow people to walk where history was made. A network of tunnels ...

TULSA, Okla. — The Tulsa Foundation for Architecture wil host its bi-annual Tulsa Underground: Tunnel Tours on Saturday, August 9. The guided tour will view seven buildings, lobbies and explore ...