The Merchants' Exchange Building, located in Philadelphia, Pennsylvania, is a historic landmark and popular point of interest for national park visitors. Here are some good reasons to visit and unique things one might see there:

History: The Merchants' Exchange Building was built in 1832 and served as the center of commercial activity for Philadelphia's business community. It was a bustling hub for merchants and traders, who would gather to exchange goods and information. Today, the building is a testament to Philadelphia's rich economic history and architectural heritage.

Architecture: The Merchants' Exchange Building is known for its impressive Greek Revival-style architecture, designed by architect William Strickland. The building's grand facade features a portico with six imposing Ionic columns, a dome, and ornate carvings and moldings.

Art: Visitors to the Merchants' Exchange Building can also admire the impressive collection of art and artifacts on display in the building's museum. Highlights include a rare 18th-century painting of William Penn, the founder of Pennsylvania, and a collection of antique maps and prints.

Tours: Visitors can take a guided tour of the Merchants' Exchange Building, which offers a fascinating glimpse into Philadelphia's commercial past. The tour includes a visit to the building's rotunda, where the historic trading floor was located, as well as the museum and other interesting areas of the building.

In summary, the Merchants' Exchange Building is a must-visit for anyone interested in Philadelphia's rich history and architecture. With its impressive Greek Revival-style architecture, art and artifacts, and fascinating guided tours, there's something for everyone to enjoy.