Safety Concerns Tours

3.34

San Francisco Alcatraz, Muir Woods, and Sausalito Tour

From $143

Explore Alcatraz Island's infamous prison

Free time on Alcatraz Island

4.4

Las Vegas Grand Canyon, Antelope Canyon, and Horseshoe Bend Day Tour

From $324

Explore the Grand Canyon's geological history

Round-trip transportation from Las Vegas

4.55

Hilton Head Island Kayak Tour

From $45

Paddle through serene Lowcountry waters

Kayak, paddle, and life jacket

4.68

Los Angeles Hollywood Sign Tour with Comedians and Dogs

$15-$22

Marvel at the iconic Hollywood Sign

Bottled water

2.66

Boston Codzilla High-Speed Thrill Boat Ride

From $56

Experience 2800 horsepower at 40mph

45-minute high-speed thrill boat ride

2.13

Seattle Underground History Walking Tour

$29-$31

Explore Seattle's underground passageways

Professional guide

3.71

Chicago Sightseeing River and Lake Cruise

From $45

Discover Chicago's epic skyline

All taxes, fees and handling charges

3.21

San Francisco Napa Valley Wine Tour

$161-$299

Stroll beneath towering redwoods

Photo stop at Welcome to Napa sign and Golden Gate Bridge

4.55

Boston Guided Bike Tour

From $78

Explore Boston on two wheels

Local guide

2.23

New York City Complete Manhattan Island Cruise

$46-$52

Marvel at the Manhattan skyline

Live narration by expert guides in English

2.65

New York City Landmarks Cruise

From $34

Admire the Manhattan skyline from the water

Live guided narration in English

2.09

New York City Landmarks Cruise

From $45

Admire stunning views of Lower Manhattan

Free Wi-Fi on board