$161-$299
Stroll beneath towering Sequoias at Muir Woods
Hotel pickup and drop-off
$43-$52
Marvel at the Manhattan skyline
English commentary by expert guides
From $38
Cruise along San Francisco's waterfront
One-hour cruise
$34-$38
Explore the legendary USS Intrepid
Growler Submarine
From $44
Cruise along all three branches of the Chicago River
Pet-friendly
From $59
Glide over Louisiana swamps on an airboat
Local guide
$42-$53
Admire San Francisco's skyline at sunset
Open-top double-decker bus tour
