1. Nashville, Tennessee: Free Trolley Tours

Residents of Davidson County can enjoy complimentary rides on Old Town Trolley tours, which delve into Nashville's rich history—from its early European settlers to its pivotal role in country music. The tours commence at Marathon Village and make 13 stops, including Music Row and the Country Music Hall of Fame and Museum.
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2. New York City, New York: Budget-Friendly Sightseeing

The Big Apple offers numerous free attractions:

Brooklyn Bridge: A walk across this iconic bridge provides stunning city views.

National Museum of the American Indian: Located in the historic Alexander Hamilton U.S. Custom House, this museum offers free admission to exhibits showcasing Native American art and artifacts.

Central Park and Prospect Park: These expansive green spaces are perfect for leisurely strolls, picnics, and free events.

Additionally, many museums in NYC have free or "pay what you wish" hours, allowing visitors to explore art, history, and culture without straining their budgets.
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3. Springfield, Illinois: Sacred Heart Convent Chapel Tours

The Sacred Heart Convent Chapel offers free public tours that showcase its mid-century modern architecture, art, and design. Highlights include a 40-foot vaulted basilica-like frame and 4,000 square feet of faceted slab glass by artist Gabriel Loire. Tours are scheduled throughout the year, and registration is required.
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4. National Landmarks and Attractions

Statue of Liberty, New York: While docking on Liberty Island incurs a fee, the free Staten Island Ferry offers close-up views of Lady Liberty during its 50-minute round trip.
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Las Vegas Strip & Fremont Street, Nevada: Strolling along these vibrant streets is cost-free and provides a sensory overload of lights, sounds, and street performances.
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Mount Rushmore, South Dakota: Visiting this monumental sculpture is free; however, there is an $11 parking fee. Ranger-led tours and access to the visitor center are complimentary.
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5. Elite University Campus Tours

Prestigious institutions like Yale, Harvard, and Princeton offer free campus tours. These guided walks, lasting between 40 to 60 minutes, provide insights into the universities' histories, architecture, and academic programs. For self-guided experiences, apps such as the Harvard mobile app are available.
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6. Garden of the Gods, Colorado Springs, Colorado

This expansive nature park features towering red rock formations reminiscent of a Martian landscape. Admission to the park and visitor center, including guided hikes, is free. The well-maintained trails are accessible to both wheelchairs and strollers.
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7. Hollywood Walk of Fame, Los Angeles, California

Strolling along Hollywood Boulevard to see the stars honoring various artists is entirely free. Some spots along the Walk of Fame also offer views of the iconic Hollywood Sign.
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Embarking on these no-cost tours and attractions allows travelers to immerse themselves in the rich tapestry of American culture and history without breaking the bank.